SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Can B Corp. – ‘10-Q’ for 6/30/22 – ‘EX-101.DEF’

On:  Monday, 8/22/22, at 12:58pm ET   ·   For:  6/30/22   ·   Accession #:  1493152-22-23686   ·   File #:  0-55753

Previous ‘10-Q’:  ‘10-Q’ on 5/17/22 for 3/31/22   ·   Next:  ‘10-Q’ on 11/21/22 for 9/30/22   ·   Latest:  ‘10-Q’ on 11/20/23 for 9/30/23   ·   13 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/22/22  Can B Corp.                       10-Q        6/30/22   62:5.5M                                   M2 Compliance LLC/FA

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.67M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     22K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     22K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     19K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     19K 
11: R1          Cover                                               HTML     66K 
12: R2          Consolidated Balance Sheets                         HTML    144K 
13: R3          Consolidated Balance Sheets (Parenthetical)         HTML     51K 
14: R4          Consolidated Statement of Operations                HTML     88K 
15: R5          Consolidated Statement of Stockholders' Equity      HTML    102K 
16: R6          Consolidated Statement of Cash Flows                HTML    120K 
17: R7          Organization and Description of Business            HTML     24K 
18: R8          Liquidity                                           HTML     22K 
19: R9          Basis of Presentation and Summary of Significant    HTML     35K 
                Accounting Policies                                              
20: R10         Fair Value Measurements                             HTML     67K 
21: R11         Asset Acquisitions                                  HTML     40K 
22: R12         Inventories                                         HTML     29K 
23: R13         Property and Equipment                              HTML     39K 
24: R14         Intangible Assets                                   HTML     42K 
25: R15         Notes and Loans Payable                             HTML     98K 
26: R16         Stockholders? Equity                                HTML     42K 
27: R17         Stock Options                                       HTML     56K 
28: R18         Income Taxes                                        HTML     22K 
29: R19         Related Party Transactions                          HTML     24K 
30: R20         Commitments and Contingencies                       HTML     28K 
31: R21         Subsequent Events                                   HTML     24K 
32: R22         Basis of Presentation and Summary of Significant    HTML     50K 
                Accounting Policies (Policies)                                   
33: R23         Fair Value Measurements (Tables)                    HTML     70K 
34: R24         Inventories (Tables)                                HTML     29K 
35: R25         Property and Equipment (Tables)                     HTML     36K 
36: R26         Intangible Assets (Tables)                          HTML     41K 
37: R27         Stock Options (Tables)                              HTML     57K 
38: R28         Commitments and Contingencies (Tables)              HTML     25K 
39: R29         Liquidity (Details Narrative)                       HTML     34K 
40: R30         Schedule of Carrying Value and Fair value           HTML     26K 
                (Details)                                                        
41: R31         Schedule of Fair Value of the Warrants Outstanding  HTML     30K 
                (Details)                                                        
42: R32         Schedule of Change in Fair Value of the Warrant     HTML     23K 
                Liabilities (Details)                                            
43: R33         Asset Acquisitions (Details Narrative)              HTML     67K 
44: R34         Schedule of Inventories (Details)                   HTML     23K 
45: R35         Summary of Property, Plant and Equipment (Details)  HTML     34K 
46: R36         Property and Equipment (Details Narrative)          HTML     19K 
47: R37         Schedule of Intangible Assets (Details)             HTML     25K 
48: R38         Schedule of Estimated Amortization Expenses         HTML     33K 
                (Details)                                                        
49: R39         Intangible Assets (Details Narrative)               HTML     19K 
50: R40         Notes and Loans Payable (Details Narrative)         HTML    223K 
51: R41         Stockholders? Equity (Details Narrative)            HTML     81K 
52: R42         Summary of Stock Options Activity (Details)         HTML     49K 
53: R43         Schedule of Non-Vested Option Shares (Details)      HTML     34K 
54: R44         Related Party Transactions (Details Narrative)      HTML     29K 
55: R45         Schedule of Future Minimum Lease Payments Under     HTML     25K 
                Non-cancellable Operating Leases (Details)                       
56: R46         Commitments and Contingencies (Details Narrative)   HTML     19K 
57: R47         Subsequent Events (Details Narrative)               HTML     24K 
60: XML         IDEA XML File -- Filing Summary                      XML    104K 
58: XML         XBRL Instance -- form10-q_htm                        XML   1.18M 
59: EXCEL       IDEA Workbook of Financial Reports                  XLSX    103K 
 7: EX-101.CAL  XBRL Calculations -- canb-20220630_cal               XML    154K 
 8: EX-101.DEF  XBRL Definitions -- canb-20220630_def                XML    373K 
 9: EX-101.LAB  XBRL Labels -- canb-20220630_lab                     XML    824K 
10: EX-101.PRE  XBRL Presentations -- canb-20220630_pre              XML    596K 
 6: EX-101.SCH  XBRL Schema -- canb-20220630                         XSD    120K 
61: JSON        XBRL Instance as JSON Data -- MetaLinks              300±   415K 
62: ZIP         XBRL Zipped Folder -- 0001493152-22-023686-xbrl      Zip    195K 


‘EX-101.DEF’   —   XBRL Definitions — canb-20220630_def


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" standalone="no" encoding="windows-1252"?>
<!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 5.15c -->
<!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
<!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:roleRef roleURI="http://canbcorp.com/role/Cover" xlink:href="canb-20220630.xsd#Cover" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/BalanceSheets" xlink:href="canb-20220630.xsd#BalanceSheets" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/BalanceSheetsParenthetical" xlink:href="canb-20220630.xsd#BalanceSheetsParenthetical" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/StatementOfOperations" xlink:href="canb-20220630.xsd#StatementOfOperations" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/StatementOfStockholdersEquity" xlink:href="canb-20220630.xsd#StatementOfStockholdersEquity" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/StatementOfCashFlows" xlink:href="canb-20220630.xsd#StatementOfCashFlows" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/OrganizationAndDescriptionOfBusiness" xlink:href="canb-20220630.xsd#OrganizationAndDescriptionOfBusiness" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/Liquidity" xlink:href="canb-20220630.xsd#Liquidity" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPolicies" xlink:href="canb-20220630.xsd#BasisOfPresentationAndSummaryOfSignificantAccountingPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/FairValueMeasurements" xlink:href="canb-20220630.xsd#FairValueMeasurements" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/AssetAcquisitions" xlink:href="canb-20220630.xsd#AssetAcquisitions" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/Inventories" xlink:href="canb-20220630.xsd#Inventories" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/PropertyAndEquipment" xlink:href="canb-20220630.xsd#PropertyAndEquipment" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/IntangibleAssets" xlink:href="canb-20220630.xsd#IntangibleAssets" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/NotesAndLoansPayable" xlink:href="canb-20220630.xsd#NotesAndLoansPayable" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/StockholdersEquity" xlink:href="canb-20220630.xsd#StockholdersEquity" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/StockOptions" xlink:href="canb-20220630.xsd#StockOptions" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/IncomeTaxes" xlink:href="canb-20220630.xsd#IncomeTaxes" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/RelatedPartyTransactions" xlink:href="canb-20220630.xsd#RelatedPartyTransactions" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/CommitmentsAndContingencies" xlink:href="canb-20220630.xsd#CommitmentsAndContingencies" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/SubsequentEvents" xlink:href="canb-20220630.xsd#SubsequentEvents" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="canb-20220630.xsd#BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/FairValueMeasurementsTables" xlink:href="canb-20220630.xsd#FairValueMeasurementsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/InventoriesTables" xlink:href="canb-20220630.xsd#InventoriesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/PropertyAndEquipmentTables" xlink:href="canb-20220630.xsd#PropertyAndEquipmentTables" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/IntangibleAssetsTables" xlink:href="canb-20220630.xsd#IntangibleAssetsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/StockOptionsTables" xlink:href="canb-20220630.xsd#StockOptionsTables" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/CommitmentsAndContingenciesTables" xlink:href="canb-20220630.xsd#CommitmentsAndContingenciesTables" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/LiquidityDetailsNarrative" xlink:href="canb-20220630.xsd#LiquidityDetailsNarrative" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/ScheduleOfCarryingValueAndFairValueDetails" xlink:href="canb-20220630.xsd#ScheduleOfCarryingValueAndFairValueDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/ScheduleOfFairValueOfWarrantsOutstandingDetails" xlink:href="canb-20220630.xsd#ScheduleOfFairValueOfWarrantsOutstandingDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/ScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails" xlink:href="canb-20220630.xsd#ScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/AssetAcquisitionsDetailsNarrative" xlink:href="canb-20220630.xsd#AssetAcquisitionsDetailsNarrative" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/ScheduleOfInventoriesDetails" xlink:href="canb-20220630.xsd#ScheduleOfInventoriesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/SummaryOfPropertyPlantAndEquipmentDetails" xlink:href="canb-20220630.xsd#SummaryOfPropertyPlantAndEquipmentDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/PropertyAndEquipmentDetailsNarrative" xlink:href="canb-20220630.xsd#PropertyAndEquipmentDetailsNarrative" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/ScheduleOfIntangibleAssetsDetails" xlink:href="canb-20220630.xsd#ScheduleOfIntangibleAssetsDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/ScheduleOfEstimatedAmortizationExpensesDetails" xlink:href="canb-20220630.xsd#ScheduleOfEstimatedAmortizationExpensesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/IntangibleAssetsDetailsNarrative" xlink:href="canb-20220630.xsd#IntangibleAssetsDetailsNarrative" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/NotesAndLoansPayableDetailsNarrative" xlink:href="canb-20220630.xsd#NotesAndLoansPayableDetailsNarrative" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/StockholdersEquityDetailsNarrative" xlink:href="canb-20220630.xsd#StockholdersEquityDetailsNarrative" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/SummaryOfStockOptionsActivityDetails" xlink:href="canb-20220630.xsd#SummaryOfStockOptionsActivityDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/ScheduleOfNon-vestedOptionSharesDetails" xlink:href="canb-20220630.xsd#ScheduleOfNon-vestedOptionSharesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/RelatedPartyTransactionsDetailsNarrative" xlink:href="canb-20220630.xsd#RelatedPartyTransactionsDetailsNarrative" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/ScheduleOfFutureMinimumLeasePaymentsUnderNon-cancellableOperatingLeasesDetails" xlink:href="canb-20220630.xsd#ScheduleOfFutureMinimumLeasePaymentsUnderNon-cancellableOperatingLeasesDetails" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/CommitmentsAndContingenciesDetailsNarrative" xlink:href="canb-20220630.xsd#CommitmentsAndContingenciesDetailsNarrative" xlink:type="simple"/>
<link:roleRef roleURI="http://canbcorp.com/role/SubsequentEventsDetailsNarrative" xlink:href="canb-20220630.xsd#SubsequentEventsDetailsNarrative" xlink:type="simple"/>
<link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension"/>
<link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain"/>
<link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
<link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
<link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll" arcroleURI="http://xbrl.org/int/dim/arcrole/notAll"/>
<link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/Cover" xlink:title="00000001 - Document - Cover"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/BalanceSheets" xlink:title="00000002 - Statement - Consolidated Balance Sheets">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaapStatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementClassOfStockAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="loc_us-gaapSeriesAPreferredStockMember_20"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesAPreferredStockMember_20" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaapSeriesBPreferredStockMember_40"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesBPreferredStockMember_40" xlink:type="arc" order="41"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesCPreferredStockMember" xlink:label="loc_us-gaapSeriesCPreferredStockMember_60"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesCPreferredStockMember_60" xlink:type="arc" order="61"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="loc_us-gaapSeriesDPreferredStockMember_80"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesDPreferredStockMember_80" xlink:type="arc" order="81"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaapAssetsAbstract_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapAssetsAbstract_110" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaapAssetsCurrentAbstract_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsAbstract_110" xlink:to="loc_us-gaapAssetsCurrentAbstract_110" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaapCashAndCashEquivalentsAtCarryingValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsCurrentAbstract_110" xlink:to="loc_us-gaapCashAndCashEquivalentsAtCarryingValue_110" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaapAccountsReceivableNetCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsCurrentAbstract_110" xlink:to="loc_us-gaapAccountsReceivableNetCurrent_110" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaapInventoryNet_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsCurrentAbstract_110" xlink:to="loc_us-gaapInventoryNet_110" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesAndLoansReceivableNetCurrent" xlink:label="loc_us-gaapNotesAndLoansReceivableNetCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsCurrentAbstract_110" xlink:to="loc_us-gaapNotesAndLoansReceivableNetCurrent_110" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_us-gaapPrepaidExpenseCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsCurrentAbstract_110" xlink:to="loc_us-gaapPrepaidExpenseCurrent_110" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaapAssetsCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsCurrentAbstract_110" xlink:to="loc_us-gaapAssetsCurrent_110" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaapPropertyPlantAndEquipmentNet_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsAbstract_110" xlink:to="loc_us-gaapPropertyPlantAndEquipmentNet_110" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsAbstract" xlink:label="loc_us-gaapOtherAssetsAbstract_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsAbstract_110" xlink:to="loc_us-gaapOtherAssetsAbstract_110" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepositsAssetsNoncurrent" xlink:label="loc_us-gaapDepositsAssetsNoncurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapOtherAssetsAbstract_110" xlink:to="loc_us-gaapDepositsAssetsNoncurrent_110" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaapFiniteLivedIntangibleAssetsNet_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapOtherAssetsAbstract_110" xlink:to="loc_us-gaapFiniteLivedIntangibleAssetsNet_110" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaapOperatingLeaseRightOfUseAsset_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapOtherAssetsAbstract_110" xlink:to="loc_us-gaapOperatingLeaseRightOfUseAsset_110" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaapOtherAssetsNoncurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapOtherAssetsAbstract_110" xlink:to="loc_us-gaapOtherAssetsNoncurrent_110" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaapOtherAssets_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapOtherAssetsAbstract_110" xlink:to="loc_us-gaapOtherAssets_110" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets" xlink:label="loc_us-gaapAssets_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapAssetsAbstract_110" xlink:to="loc_us-gaapAssets_110" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaapLiabilitiesAndStockholdersEquityAbstract_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapLiabilitiesAndStockholdersEquityAbstract_110" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaapLiabilitiesCurrentAbstract_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquityAbstract_110" xlink:to="loc_us-gaapLiabilitiesCurrentAbstract_110" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaapAccountsPayableCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesCurrentAbstract_110" xlink:to="loc_us-gaapAccountsPayableCurrent_110" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaapAccruedLiabilitiesCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesCurrentAbstract_110" xlink:to="loc_us-gaapAccruedLiabilitiesCurrent_110" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="loc_us-gaapDueToRelatedPartiesCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesCurrentAbstract_110" xlink:to="loc_us-gaapDueToRelatedPartiesCurrent_110" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesAndLoansPayableCurrent" xlink:label="loc_us-gaapNotesAndLoansPayableCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesCurrentAbstract_110" xlink:to="loc_us-gaapNotesAndLoansPayableCurrent_110" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_WarrantLiabilities" xlink:label="loc_CANBWarrantLiabilities_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesCurrentAbstract_110" xlink:to="loc_CANBWarrantLiabilities_110" xlink:type="arc" order="22"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaapOperatingLeaseLiabilityCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesCurrentAbstract_110" xlink:to="loc_us-gaapOperatingLeaseLiabilityCurrent_110" xlink:type="arc" order="23"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaapLiabilitiesCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesCurrentAbstract_110" xlink:to="loc_us-gaapLiabilitiesCurrent_110" xlink:type="arc" order="24"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaapLiabilitiesNoncurrentAbstract_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquityAbstract_110" xlink:to="loc_us-gaapLiabilitiesNoncurrentAbstract_110" xlink:type="arc" order="25"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaapOperatingLeaseLiabilityNoncurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesNoncurrentAbstract_110" xlink:to="loc_us-gaapOperatingLeaseLiabilityNoncurrent_110" xlink:type="arc" order="26"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="loc_us-gaapLiabilitiesNoncurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesNoncurrentAbstract_110" xlink:to="loc_us-gaapLiabilitiesNoncurrent_110" xlink:type="arc" order="27"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaapLiabilities_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquityAbstract_110" xlink:to="loc_us-gaapLiabilities_110" xlink:type="arc" order="28"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaapCommitmentsAndContingencies_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquityAbstract_110" xlink:to="loc_us-gaapCommitmentsAndContingencies_110" xlink:type="arc" order="29"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaapStockholdersEquityAbstract_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquityAbstract_110" xlink:to="loc_us-gaapStockholdersEquityAbstract_110" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaapPreferredStockValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStockholdersEquityAbstract_110" xlink:to="loc_us-gaapPreferredStockValue_110" xlink:type="arc" order="31"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaapCommonStockValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStockholdersEquityAbstract_110" xlink:to="loc_us-gaapCommonStockValue_110" xlink:type="arc" order="32"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_CommonStockIssuableValue" xlink:label="loc_CANBCommonStockIssuableValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStockholdersEquityAbstract_110" xlink:to="loc_CANBCommonStockIssuableValue_110" xlink:type="arc" order="33"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaapTreasuryStockValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStockholdersEquityAbstract_110" xlink:to="loc_us-gaapTreasuryStockValue_110" xlink:type="arc" order="34"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaapAdditionalPaidInCapital_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStockholdersEquityAbstract_110" xlink:to="loc_us-gaapAdditionalPaidInCapital_110" xlink:type="arc" order="35"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaapRetainedEarningsAccumulatedDeficit_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStockholdersEquityAbstract_110" xlink:to="loc_us-gaapRetainedEarningsAccumulatedDeficit_110" xlink:type="arc" order="36"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaapStockholdersEquity_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStockholdersEquityAbstract_110" xlink:to="loc_us-gaapStockholdersEquity_110" xlink:type="arc" order="37"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaapLiabilitiesAndStockholdersEquity_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapLiabilitiesAndStockholdersEquityAbstract_110" xlink:to="loc_us-gaapLiabilitiesAndStockholdersEquity_110" xlink:type="arc" order="38"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/BalanceSheetsParenthetical" xlink:title="00000003 - Statement - Consolidated Balance Sheets (Parenthetical)">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaapStatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementClassOfStockAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="loc_us-gaapSeriesAPreferredStockMember_20"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesAPreferredStockMember_20" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaapSeriesBPreferredStockMember_40"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesBPreferredStockMember_40" xlink:type="arc" order="41"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesCPreferredStockMember" xlink:label="loc_us-gaapSeriesCPreferredStockMember_60"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesCPreferredStockMember_60" xlink:type="arc" order="61"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="loc_us-gaapSeriesDPreferredStockMember_80"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesDPreferredStockMember_80" xlink:type="arc" order="81"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaapAllowanceForDoubtfulAccountsReceivableCurrent_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapAllowanceForDoubtfulAccountsReceivableCurrent_110" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaapPreferredStockSharesAuthorized_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapPreferredStockSharesAuthorized_110" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockNoParValue" xlink:label="loc_us-gaapPreferredStockNoParValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapPreferredStockNoParValue_110" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaapPreferredStockSharesIssued_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapPreferredStockSharesIssued_110" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaapPreferredStockSharesOutstanding_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapPreferredStockSharesOutstanding_110" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaapPreferredStockParOrStatedValuePerShare_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapPreferredStockParOrStatedValuePerShare_110" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockNoParValue" xlink:label="loc_us-gaapCommonStockNoParValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapCommonStockNoParValue_110" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaapCommonStockSharesAuthorized_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapCommonStockSharesAuthorized_110" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaapCommonStockSharesIssued_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapCommonStockSharesIssued_110" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaapCommonStockSharesOutstanding_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapCommonStockSharesOutstanding_110" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_CommonStockIssuableNoParValue" xlink:label="loc_CANBCommonStockIssuableNoParValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBCommonStockIssuableNoParValue_110" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_CommonStockIssuableShares" xlink:label="loc_CANBCommonStockIssuableShares_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBCommonStockIssuableShares_110" xlink:type="arc" order="11"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/StatementOfOperations" xlink:title="00000004 - Statement - Consolidated Statement of Operations">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srtProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_srtProductOrServiceAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srtProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtProductOrServiceAxis" xlink:to="loc_srtProductsAndServicesDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srtProductsAndServicesDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtProductOrServiceAxis" xlink:to="loc_srtProductsAndServicesDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ProductSalesMember" xlink:label="loc_CANBProductSalesMember_40"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtProductsAndServicesDomain" xlink:to="loc_CANBProductSalesMember_40" xlink:type="arc" order="41"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ServiceRevenueMember" xlink:label="loc_CANBServiceRevenueMember_80"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtProductsAndServicesDomain" xlink:to="loc_CANBServiceRevenueMember_80" xlink:type="arc" order="81"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaapRevenuesAbstract_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapRevenuesAbstract_130" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaapRevenueFromContractWithCustomerExcludingAssessedTax_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRevenuesAbstract_130" xlink:to="loc_us-gaapRevenueFromContractWithCustomerExcludingAssessedTax_130" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaapCostOfGoodsAndServicesSold_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapCostOfGoodsAndServicesSold_130" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaapGrossProfit_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapGrossProfit_130" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingCostsAndExpenses" xlink:label="loc_us-gaapOperatingCostsAndExpenses_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapOperatingCostsAndExpenses_130" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaapOperatingIncomeLoss_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapOperatingIncomeLoss_130" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaapNonoperatingIncomeExpenseAbstract_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapNonoperatingIncomeExpenseAbstract_130" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncome" xlink:label="loc_us-gaapOtherNonoperatingIncome_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapNonoperatingIncomeExpenseAbstract_130" xlink:to="loc_us-gaapOtherNonoperatingIncome_130" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="loc_us-gaapFairValueAdjustmentOfWarrants_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapNonoperatingIncomeExpenseAbstract_130" xlink:to="loc_us-gaapFairValueAdjustmentOfWarrants_130" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaapGainsLossesOnExtinguishmentOfDebt_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapNonoperatingIncomeExpenseAbstract_130" xlink:to="loc_us-gaapGainsLossesOnExtinguishmentOfDebt_130" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaapInterestExpense_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapNonoperatingIncomeExpenseAbstract_130" xlink:to="loc_us-gaapInterestExpense_130" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaapOtherNonoperatingIncomeExpense_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapNonoperatingIncomeExpenseAbstract_130" xlink:to="loc_us-gaapOtherNonoperatingIncomeExpense_130" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaapNonoperatingIncomeExpense_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapNonoperatingIncomeExpenseAbstract_130" xlink:to="loc_us-gaapNonoperatingIncomeExpense_130" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaapIncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapIncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_130" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaapIncomeTaxExpenseBenefit_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapIncomeTaxExpenseBenefit_130" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaapNetIncomeLoss_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapNetIncomeLoss_130" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaapEarningsPerShareBasic_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapEarningsPerShareBasic_130" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaapWeightedAverageNumberOfSharesOutstandingBasic_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapWeightedAverageNumberOfSharesOutstandingBasic_130" xlink:type="arc" order="17"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/StatementOfStockholdersEquity" xlink:title="00000005 - Statement - Consolidated Statement of Stockholders&apos; Equity">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaapStatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementEquityComponentsAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockMember" xlink:label="loc_us-gaapPreferredStockMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapPreferredStockMember_0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaapCommonStockMember_40"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapCommonStockMember_40" xlink:type="arc" order="41"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_CommonStockIssuableMember" xlink:label="loc_CANBCommonStockIssuableMember_50"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_CANBCommonStockIssuableMember_50" xlink:type="arc" order="51"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaapTreasuryStockMember_60"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapTreasuryStockMember_60" xlink:type="arc" order="61"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaapAdditionalPaidInCapitalMember_70"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapAdditionalPaidInCapitalMember_70" xlink:type="arc" order="71"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaapRetainedEarningsMember_80"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapRetainedEarningsMember_80" xlink:type="arc" order="81"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaapStatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementClassOfStockAxis" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="loc_us-gaapSeriesAPreferredStockMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesAPreferredStockMember_0" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaapSeriesBPreferredStockMember_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesBPreferredStockMember_10" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesCPreferredStockMember" xlink:label="loc_us-gaapSeriesCPreferredStockMember_20"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesCPreferredStockMember_20" xlink:type="arc" order="22"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="loc_us-gaapSeriesDPreferredStockMember_30"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesDPreferredStockMember_30" xlink:type="arc" order="32"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaapStockholdersEquity_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockholdersEquity_110" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaapSharesOutstanding_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapSharesOutstanding_110" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueIssuedForServices_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueIssuedForServices_110" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesIssuedForServices_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesIssuedForServices_110" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaapProfitLoss_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapProfitLoss_110" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_StockIssuedDuringPeriodValueIssuanceOfCommonStockWarrantsInConnectionWithConvertiblePromissoryNote" xlink:label="loc_CANBStockIssuedDuringPeriodValueIssuanceOfCommonStockWarrantsInConnectionWithConvertiblePromissoryNote_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBStockIssuedDuringPeriodValueIssuanceOfCommonStockWarrantsInConnectionWithConvertiblePromissoryNote_110" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueConversionOfConvertibleSecurities_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueConversionOfConvertibleSecurities_110" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_110" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_110" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_110" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_StockIssuedDuringPeriodValueIssuanceOfCommonStockInLieuOfNoteInterestRepayments" xlink:label="loc_CANBStockIssuedDuringPeriodValueIssuanceOfCommonStockInLieuOfNoteInterestRepayments_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBStockIssuedDuringPeriodValueIssuanceOfCommonStockInLieuOfNoteInterestRepayments_110" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_StockIssuedDuringPeriodSharesIssuanceOfCommonStockInLieuOfNoteInterestRepayments" xlink:label="loc_CANBStockIssuedDuringPeriodSharesIssuanceOfCommonStockInLieuOfNoteInterestRepayments_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBStockIssuedDuringPeriodSharesIssuanceOfCommonStockInLieuOfNoteInterestRepayments_110" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets" xlink:label="loc_us-gaapStockIssuedDuringPeriodValuePurchaseOfAssets_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValuePurchaseOfAssets_110" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesPurchaseOfAssets_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesPurchaseOfAssets_110" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueAcquisitions_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueAcquisitions_110" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesAcquisitions_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesAcquisitions_110" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaapAdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapAdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_110" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_StockIssuedDuringPeriodValuePreferredStock" xlink:label="loc_CANBStockIssuedDuringPeriodValuePreferredStock_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBStockIssuedDuringPeriodValuePreferredStock_110" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_StockIssuedDuringPeriodSharesPreferredStock" xlink:label="loc_CANBStockIssuedDuringPeriodSharesPreferredStock_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBStockIssuedDuringPeriodSharesPreferredStock_110" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueConversionOfUnits_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueConversionOfUnits_110" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesConversionOfUnits_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesConversionOfUnits_110" xlink:type="arc" order="21"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/StatementOfCashFlows" xlink:title="00000006 - Statement - Consolidated Statement of Cash Flows"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/OrganizationAndDescriptionOfBusiness" xlink:title="00000007 - Disclosure - Organization and Description of Business"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/Liquidity" xlink:title="00000008 - Disclosure - Liquidity"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPolicies" xlink:title="00000009 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/FairValueMeasurements" xlink:title="00000010 - Disclosure - Fair Value Measurements"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/AssetAcquisitions" xlink:title="00000011 - Disclosure - Asset Acquisitions"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/Inventories" xlink:title="00000012 - Disclosure - Inventories"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/PropertyAndEquipment" xlink:title="00000013 - Disclosure - Property and Equipment"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/IntangibleAssets" xlink:title="00000014 - Disclosure - Intangible Assets"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/NotesAndLoansPayable" xlink:title="00000015 - Disclosure - Notes and Loans Payable"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/StockholdersEquity" xlink:title="00000016 - Disclosure - Stockholders&#8217; Equity"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/StockOptions" xlink:title="00000017 - Disclosure - Stock Options"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/IncomeTaxes" xlink:title="00000018 - Disclosure - Income Taxes"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/RelatedPartyTransactions" xlink:title="00000019 - Disclosure - Related Party Transactions"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/CommitmentsAndContingencies" xlink:title="00000020 - Disclosure - Commitments and Contingencies"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/SubsequentEvents" xlink:title="00000021 - Disclosure - Subsequent Events"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/BasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:title="00000022 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/FairValueMeasurementsTables" xlink:title="00000023 - Disclosure - Fair Value Measurements (Tables)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/InventoriesTables" xlink:title="00000024 - Disclosure - Inventories (Tables)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/PropertyAndEquipmentTables" xlink:title="00000025 - Disclosure - Property and Equipment (Tables)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/IntangibleAssetsTables" xlink:title="00000026 - Disclosure - Intangible Assets (Tables)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/StockOptionsTables" xlink:title="00000027 - Disclosure - Stock Options (Tables)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/CommitmentsAndContingenciesTables" xlink:title="00000028 - Disclosure - Commitments and Contingencies (Tables)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/LiquidityDetailsNarrative" xlink:title="00000029 - Disclosure - Liquidity (Details Narrative)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/ScheduleOfCarryingValueAndFairValueDetails" xlink:title="00000030 - Disclosure - Schedule of Carrying Value and Fair value (Details)">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaapFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaapFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="loc_us-gaapFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaapFairValueByFairValueHierarchyLevelAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="loc_us-gaapFairValueByFairValueHierarchyLevelAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapFairValueByFairValueHierarchyLevelAxis" xlink:to="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapFairValueByFairValueHierarchyLevelAxis" xlink:to="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaapFairValueInputsLevel1Member_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaapFairValueInputsLevel1Member_0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaapFairValueInputsLevel2Member_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaapFairValueInputsLevel2Member_10" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaapFairValueInputsLevel3Member_20"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFairValueMeasurementsFairValueHierarchyDomain" xlink:to="loc_us-gaapFairValueInputsLevel3Member_20" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_WarrantLiabilities" xlink:label="loc_CANBWarrantLiabilities_90"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="loc_CANBWarrantLiabilities_90" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/ScheduleOfFairValueOfWarrantsOutstandingDetails" xlink:title="00000031 - Disclosure - Schedule of Fair Value of the Warrants Outstanding (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/ScheduleOfChangeInFairValueOfWarrantLiabilitiesDetails" xlink:title="00000032 - Disclosure - Schedule of Change in Fair Value of the Warrant Liabilities (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/AssetAcquisitionsDetailsNarrative" xlink:title="00000033 - Disclosure - Asset Acquisitions (Details Narrative)">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis" xlink:label="loc_srtRangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_srtRangeAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember" xlink:label="loc_srtRangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtRangeAxis" xlink:to="loc_srtRangeMember" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember" xlink:label="loc_srtRangeMember_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtRangeAxis" xlink:to="loc_srtRangeMember_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember" xlink:label="loc_srtMaximumMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtRangeMember" xlink:to="loc_srtMaximumMember_0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="loc_us-gaapTypeOfArrangementAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapTypeOfArrangementAxis" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaapArrangementsAndNonarrangementTransactionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapTypeOfArrangementAxis" xlink:to="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaapArrangementsAndNonarrangementTransactionsMember_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapTypeOfArrangementAxis" xlink:to="loc_us-gaapArrangementsAndNonarrangementTransactionsMember_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_AssetAcquisitionAgreementMember" xlink:label="loc_CANBAssetAcquisitionAgreementMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBAssetAcquisitionAgreementMember_0" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_LebsockAgreementMember" xlink:label="loc_CANBLebsockAgreementMember_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBLebsockAgreementMember_10" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_SchlosserAgreementMember" xlink:label="loc_CANBSchlosserAgreementMember_40"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBSchlosserAgreementMember_40" xlink:type="arc" order="41"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_EquipmentAcquisitionAgreementMember" xlink:label="loc_CANBEquipmentAcquisitionAgreementMember_50"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBEquipmentAcquisitionAgreementMember_50" xlink:type="arc" order="51"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_AssetPurchaseAgreementMember" xlink:label="loc_CANBAssetPurchaseAgreementMember_90"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBAssetPurchaseAgreementMember_90" xlink:type="arc" order="91"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_AcquisitionAgreementMember" xlink:label="loc_CANBAcquisitionAgreementMember_120"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBAcquisitionAgreementMember_120" xlink:type="arc" order="121"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis" xlink:label="loc_deiLegalEntityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_deiLegalEntityAxis" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="loc_deiEntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_deiLegalEntityAxis" xlink:to="loc_deiEntityDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="loc_deiEntityDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_deiLegalEntityAxis" xlink:to="loc_deiEntityDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_BotanicalBiotechLLCMember" xlink:label="loc_CANBBotanicalBiotechLLCMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBBotanicalBiotechLLCMember_0" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ImbibeHealthSolutionsAssetAcquisitionMember" xlink:label="loc_CANBImbibeHealthSolutionsAssetAcquisitionMember_120"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBImbibeHealthSolutionsAssetAcquisitionMember_120" xlink:type="arc" order="122"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualAxis" xlink:label="loc_srtTitleOfIndividualAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_srtTitleOfIndividualAxis" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_srtTitleOfIndividualWithRelationshipToEntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtTitleOfIndividualAxis" xlink:to="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_srtTitleOfIndividualWithRelationshipToEntityDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtTitleOfIndividualAxis" xlink:to="loc_srtTitleOfIndividualWithRelationshipToEntityDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_PresidentMember" xlink:label="loc_srtPresidentMember_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:to="loc_srtPresidentMember_10" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaapPlanNameAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapPlanNameAxis" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaapPlanNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapPlanNameAxis" xlink:to="loc_us-gaapPlanNameDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaapPlanNameDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapPlanNameAxis" xlink:to="loc_us-gaapPlanNameDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_CompanysIncentiveStockOptionPlanMember" xlink:label="loc_CANBCompanysIncentiveStockOptionPlanMember_30"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapPlanNameDomain" xlink:to="loc_CANBCompanysIncentiveStockOptionPlanMember_30" xlink:type="arc" order="32"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaapStatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementEquityComponentsAxis" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaapCommonStockMember_70"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapCommonStockMember_70" xlink:type="arc" order="71"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaapPaymentsToAcquireProductiveAssets_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapPaymentsToAcquireProductiveAssets_140" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentConvertibleThresholdTradingDays" xlink:label="loc_us-gaapDebtInstrumentConvertibleThresholdTradingDays_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentConvertibleThresholdTradingDays_140" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OfficersCompensation" xlink:label="loc_us-gaapOfficersCompensation_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapOfficersCompensation_140" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate" xlink:label="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate_140" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_StockBonus" xlink:label="loc_CANBStockBonus_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBStockBonus_140" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfessionalFees" xlink:label="loc_us-gaapProfessionalFees_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapProfessionalFees_140" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_PurchasePrice" xlink:label="loc_CANBPurchasePrice_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_CANBPurchasePrice_140" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaapDebtInstrumentCarryingAmount_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentCarryingAmount_140" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaapDebtInstrumentInterestRateStatedPercentage_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentInterestRateStatedPercentage_140" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="loc_us-gaapDebtInstrumentPeriodicPayment_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentPeriodicPayment_140" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="loc_us-gaapSharesIssuedPricePerShare_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapSharesIssuedPricePerShare_140" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentDescription" xlink:label="loc_us-gaapDebtInstrumentDescription_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapDebtInstrumentDescription_140" xlink:type="arc" order="11"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/ScheduleOfInventoriesDetails" xlink:title="00000034 - Disclosure - Schedule of Inventories (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/SummaryOfPropertyPlantAndEquipmentDetails" xlink:title="00000035 - Disclosure - Summary of Property, Plant and Equipment (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/PropertyAndEquipmentDetailsNarrative" xlink:title="00000036 - Disclosure - Property and Equipment (Details Narrative)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/ScheduleOfIntangibleAssetsDetails" xlink:title="00000037 - Disclosure - Schedule of Intangible Assets (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/ScheduleOfEstimatedAmortizationExpensesDetails" xlink:title="00000038 - Disclosure - Schedule of Estimated Amortization Expenses (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/IntangibleAssetsDetailsNarrative" xlink:title="00000039 - Disclosure - Intangible Assets (Details Narrative)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/NotesAndLoansPayableDetailsNarrative" xlink:title="00000040 - Disclosure - Notes and Loans Payable (Details Narrative)">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtLineItems" xlink:label="loc_us-gaapShortTermDebtLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShortTermDebtTable" xlink:label="loc_us-gaapScheduleOfShortTermDebtTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapScheduleOfShortTermDebtTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaapDebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfShortTermDebtTable" xlink:to="loc_us-gaapDebtInstrumentAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaapDebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapDebtInstrumentAxis" xlink:to="loc_us-gaapDebtInstrumentNameDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaapDebtInstrumentNameDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapDebtInstrumentAxis" xlink:to="loc_us-gaapDebtInstrumentNameDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ASOPNoteIMember" xlink:label="loc_CANBASOPNoteIMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBASOPNoteIMember_0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ASOFNoteIMember" xlink:label="loc_CANBASOFNoteIMember_40"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBASOFNoteIMember_40" xlink:type="arc" order="41"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ASOPNoteIIMember" xlink:label="loc_CANBASOPNoteIIMember_90"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBASOPNoteIIMember_90" xlink:type="arc" order="91"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ASOFNoteIIMember" xlink:label="loc_CANBASOFNoteIIMember_120"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBASOFNoteIIMember_120" xlink:type="arc" order="121"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_TysadcoNoteMember" xlink:label="loc_CANBTysadcoNoteMember_190"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBTysadcoNoteMember_190" xlink:type="arc" order="191"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_BLNoteMember" xlink:label="loc_CANBBLNoteMember_250"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBBLNoteMember_250" xlink:type="arc" order="251"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_MHNoteMember" xlink:label="loc_CANBMHNoteMember_290"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBMHNoteMember_290" xlink:type="arc" order="291"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_FMNoteMember" xlink:label="loc_CANBFMNoteMember_340"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBFMNoteMember_340" xlink:type="arc" order="341"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_AlumniNoteMember" xlink:label="loc_CANBAlumniNoteMember_380"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBAlumniNoteMember_380" xlink:type="arc" order="381"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_TysadcoNoteIIMember" xlink:label="loc_CANBTysadcoNoteIIMember_420"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapDebtInstrumentNameDomain" xlink:to="loc_CANBTysadcoNoteIIMember_420" xlink:type="arc" order="421"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LegalEntityAxis" xlink:label="loc_deiLegalEntityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfShortTermDebtTable" xlink:to="loc_deiLegalEntityAxis" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="loc_deiEntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_deiLegalEntityAxis" xlink:to="loc_deiEntityDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityDomain" xlink:label="loc_deiEntityDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_deiLegalEntityAxis" xlink:to="loc_deiEntityDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ArenaSpecialOpportunitiesPartnersOneLPMember" xlink:label="loc_CANBArenaSpecialOpportunitiesPartnersOneLPMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBArenaSpecialOpportunitiesPartnersOneLPMember_0" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ArenaSpecialOpportunitiesFundLPMember" xlink:label="loc_CANBArenaSpecialOpportunitiesFundLPMember_40"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBArenaSpecialOpportunitiesFundLPMember_40" xlink:type="arc" order="42"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_TysadcoPartnersMember" xlink:label="loc_CANBTysadcoPartnersMember_190"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBTysadcoPartnersMember_190" xlink:type="arc" order="192"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_BlueLakePartnersLLCMember" xlink:label="loc_CANBBlueLakePartnersLLCMember_250"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBBlueLakePartnersLLCMember_250" xlink:type="arc" order="252"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_MastHillFundLPMember" xlink:label="loc_CANBMastHillFundLPMember_290"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBMastHillFundLPMember_290" xlink:type="arc" order="292"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_FourthManLLCMember" xlink:label="loc_CANBFourthManLLCMember_340"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBFourthManLLCMember_340" xlink:type="arc" order="342"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_AlumniCapitalLPMember" xlink:label="loc_CANBAlumniCapitalLPMember_380"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_CANBAlumniCapitalLPMember_380" xlink:type="arc" order="382"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaapStatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfShortTermDebtTable" xlink:to="loc_us-gaapStatementEquityComponentsAxis" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaapCommonStockMember_70"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapCommonStockMember_70" xlink:type="arc" order="72"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WarrantMember" xlink:label="loc_us-gaapWarrantMember_310"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapWarrantMember_310" xlink:type="arc" order="312"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualAxis" xlink:label="loc_srtTitleOfIndividualAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfShortTermDebtTable" xlink:to="loc_srtTitleOfIndividualAxis" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_srtTitleOfIndividualWithRelationshipToEntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtTitleOfIndividualAxis" xlink:to="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_srtTitleOfIndividualWithRelationshipToEntityDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtTitleOfIndividualAxis" xlink:to="loc_srtTitleOfIndividualWithRelationshipToEntityDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_HoldersMember" xlink:label="loc_CANBHoldersMember_180"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:to="loc_CANBHoldersMember_180" xlink:type="arc" order="182"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="loc_us-gaapTypeOfArrangementAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfShortTermDebtTable" xlink:to="loc_us-gaapTypeOfArrangementAxis" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaapArrangementsAndNonarrangementTransactionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapTypeOfArrangementAxis" xlink:to="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaapArrangementsAndNonarrangementTransactionsMember_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapTypeOfArrangementAxis" xlink:to="loc_us-gaapArrangementsAndNonarrangementTransactionsMember_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_EquipmentAcquisitionAgreementMember" xlink:label="loc_CANBEquipmentAcquisitionAgreementMember_440"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBEquipmentAcquisitionAgreementMember_440" xlink:type="arc" order="441"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_UnsecuredPromissoryNoteAgreementMember" xlink:label="loc_CANBUnsecuredPromissoryNoteAgreementMember_470"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBUnsecuredPromissoryNoteAgreementMember_470" xlink:type="arc" order="471"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_FutureReceivableSaleAndPurchaseAgreementMember" xlink:label="loc_CANBFutureReceivableSaleAndPurchaseAgreementMember_500"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBFutureReceivableSaleAndPurchaseAgreementMember_500" xlink:type="arc" order="501"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_ReceivablePurchaseAndSaleAgreementMember" xlink:label="loc_CANBReceivablePurchaseAndSaleAgreementMember_560"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBReceivablePurchaseAndSaleAgreementMember_560" xlink:type="arc" order="561"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_FutureReceivablePurchaseAndSaleAgreementMember" xlink:label="loc_CANBFutureReceivablePurchaseAndSaleAgreementMember_610"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBFutureReceivablePurchaseAndSaleAgreementMember_610" xlink:type="arc" order="611"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfShortTermDebtTable" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_LenderMember" xlink:label="loc_CANBLenderMember_470"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_CANBLenderMember_470" xlink:type="arc" order="472"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="loc_us-gaapRelatedPartyTransactionAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfShortTermDebtTable" xlink:to="loc_us-gaapRelatedPartyTransactionAxis" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="loc_us-gaapRelatedPartyTransactionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionAxis" xlink:to="loc_us-gaapRelatedPartyTransactionDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="loc_us-gaapRelatedPartyTransactionDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionAxis" xlink:to="loc_us-gaapRelatedPartyTransactionDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_LenderMember" xlink:label="loc_CANBLenderMember_530"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyTransactionDomain" xlink:to="loc_CANBLenderMember_530" xlink:type="arc" order="531"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaapDebtInstrumentCarryingAmount_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentCarryingAmount_630" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_us-gaapDebtInstrumentMaturityDate_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentMaturityDate_630" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaapDebtInstrumentInterestRateStatedPercentage_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentInterestRateStatedPercentage_630" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_630" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="loc_us-gaapClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_630" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="loc_us-gaapClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_630" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="loc_us-gaapDebtInstrumentPeriodicPaymentPrincipal_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentPeriodicPaymentPrincipal_630" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaapDebtInstrumentFaceAmount_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentFaceAmount_630" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfRelatedPartyDebt" xlink:label="loc_us-gaapRepaymentsOfRelatedPartyDebt_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapRepaymentsOfRelatedPartyDebt_630" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentPaymentTerms" xlink:label="loc_us-gaapDebtInstrumentPaymentTerms_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentPaymentTerms_630" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_RepaymentsOfRelatedPartyDebtAdditional" xlink:label="loc_CANBRepaymentsOfRelatedPartyDebtAdditional_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_CANBRepaymentsOfRelatedPartyDebtAdditional_630" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_us-gaapAmortizationOfDebtDiscountPremium_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapAmortizationOfDebtDiscountPremium_630" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="loc_us-gaapDebtInstrumentConvertibleConversionPrice1_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentConvertibleConversionPrice1_630" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="loc_us-gaapDebtWeightedAverageInterestRate_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtWeightedAverageInterestRate_630" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="loc_us-gaapDebtInstrumentPeriodicPayment_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentPeriodicPayment_630" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnsecuredDebt" xlink:label="loc_us-gaapUnsecuredDebt_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapUnsecuredDebt_630" xlink:type="arc" order="15"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaapDebtInstrumentInterestRateEffectivePercentage_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapDebtInstrumentInterestRateEffectivePercentage_630" xlink:type="arc" order="16"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt" xlink:label="loc_us-gaapProceedsFromIssuanceOfUnsecuredDebt_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapProceedsFromIssuanceOfUnsecuredDebt_630" xlink:type="arc" order="17"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_FutureReceivablesAmount" xlink:label="loc_CANBFutureReceivablesAmount_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_CANBFutureReceivablesAmount_630" xlink:type="arc" order="18"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleAndCollectionOfReceivables" xlink:label="loc_us-gaapProceedsFromSaleAndCollectionOfReceivables_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_us-gaapProceedsFromSaleAndCollectionOfReceivables_630" xlink:type="arc" order="19"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_DebtMonthlyPayments" xlink:label="loc_CANBDebtMonthlyPayments_630"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapShortTermDebtLineItems" xlink:to="loc_CANBDebtMonthlyPayments_630" xlink:type="arc" order="20"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/StockholdersEquityDetailsNarrative" xlink:title="00000041 - Disclosure - Stockholders&#8217; Equity (Details Narrative)">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaapClassOfStockLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaapScheduleOfStockByClassTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapScheduleOfStockByClassTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaapStatementClassOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfStockByClassTable" xlink:to="loc_us-gaapStatementClassOfStockAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaapClassOfStockDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementClassOfStockAxis" xlink:to="loc_us-gaapClassOfStockDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="loc_us-gaapSeriesAPreferredStockMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesAPreferredStockMember_0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaapSeriesBPreferredStockMember_30"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesBPreferredStockMember_30" xlink:type="arc" order="31"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesCPreferredStockMember" xlink:label="loc_us-gaapSeriesCPreferredStockMember_40"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesCPreferredStockMember_40" xlink:type="arc" order="41"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="loc_us-gaapSeriesDPreferredStockMember_50"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockDomain" xlink:to="loc_us-gaapSeriesDPreferredStockMember_50" xlink:type="arc" order="51"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaapStatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfStockByClassTable" xlink:to="loc_us-gaapStatementEquityComponentsAxis" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaapCommonStockMember_20"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapCommonStockMember_20" xlink:type="arc" order="21"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_OfferingMember" xlink:label="loc_CANBOfferingMember_130"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_CANBOfferingMember_130" xlink:type="arc" order="131"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_CommonStockOneMember" xlink:label="loc_CANBCommonStockOneMember_140"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_CANBCommonStockOneMember_140" xlink:type="arc" order="141"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualAxis" xlink:label="loc_srtTitleOfIndividualAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfStockByClassTable" xlink:to="loc_srtTitleOfIndividualAxis" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_srtTitleOfIndividualWithRelationshipToEntityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtTitleOfIndividualAxis" xlink:to="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_srtTitleOfIndividualWithRelationshipToEntityDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtTitleOfIndividualAxis" xlink:to="loc_srtTitleOfIndividualWithRelationshipToEntityDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_MarcoAlfonsiMember" xlink:label="loc_CANBMarcoAlfonsiMember_80"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:to="loc_CANBMarcoAlfonsiMember_80" xlink:type="arc" order="81"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_PasqualeFerroMember" xlink:label="loc_CANBPasqualeFerroMember_90"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:to="loc_CANBPasqualeFerroMember_90" xlink:type="arc" order="91"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_StanleyLTeepleMember" xlink:label="loc_CANBStanleyLTeepleMember_100"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:to="loc_CANBStanleyLTeepleMember_100" xlink:type="arc" order="101"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_PhilipScalaMember" xlink:label="loc_CANBPhilipScalaMember_110"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtTitleOfIndividualWithRelationshipToEntityDomain" xlink:to="loc_CANBPhilipScalaMember_110" xlink:type="arc" order="111"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockVotingRights" xlink:label="loc_us-gaapPreferredStockVotingRights_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapPreferredStockVotingRights_160" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:label="loc_us-gaapConvertiblePreferredStockSharesIssuedUponConversion_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapConvertiblePreferredStockSharesIssuedUponConversion_160" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConversionOfStockSharesConverted1" xlink:label="loc_us-gaapConversionOfStockSharesConverted1_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapConversionOfStockSharesConverted1_160" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockDividendPreferenceOrRestrictions" xlink:label="loc_us-gaapPreferredStockDividendPreferenceOrRestrictions_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapPreferredStockDividendPreferenceOrRestrictions_160" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaapPreferredStockSharesAuthorized_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapPreferredStockSharesAuthorized_160" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaapPreferredStockParOrStatedValuePerShare_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapPreferredStockParOrStatedValuePerShare_160" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_160" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesAcquisitions_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesAcquisitions_160" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets" xlink:label="loc_us-gaapStockIssuedDuringPeriodValuePurchaseOfAssets_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValuePurchaseOfAssets_160" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesIssuedForServices" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesIssuedForServices_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesIssuedForServices_160" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesOther" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesOther_160"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapClassOfStockLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesOther_160" xlink:type="arc" order="10"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/SummaryOfStockOptionsActivityDetails" xlink:title="00000042 - Disclosure - Summary of Stock Options Activity (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/ScheduleOfNon-vestedOptionSharesDetails" xlink:title="00000043 - Disclosure - Schedule of Non-Vested Option Shares (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/RelatedPartyTransactionsDetailsNarrative" xlink:title="00000044 - Disclosure - Related Party Transactions (Details Narrative)">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaapRelatedPartyTransactionLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaapScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionLineItems" xlink:to="loc_us-gaapScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_DirectorMember" xlink:label="loc_srtDirectorMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_srtDirectorMember_0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfessionalFees" xlink:label="loc_us-gaapProfessionalFees_50"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyTransactionLineItems" xlink:to="loc_us-gaapProfessionalFees_50" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayable" xlink:label="loc_us-gaapNotesPayable_50"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyTransactionLineItems" xlink:to="loc_us-gaapNotesPayable_50" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="loc_us-gaapDueToRelatedPartiesCurrent_50"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyTransactionLineItems" xlink:to="loc_us-gaapDueToRelatedPartiesCurrent_50" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/ScheduleOfFutureMinimumLeasePaymentsUnderNon-cancellableOperatingLeasesDetails" xlink:title="00000045 - Disclosure - Schedule of Future Minimum Lease Payments Under Non-cancellable Operating Leases (Details)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/CommitmentsAndContingenciesDetailsNarrative" xlink:title="00000046 - Disclosure - Commitments and Contingencies (Details Narrative)"/>
<link:definitionLink xlink:type="extended" xlink:role="http://canbcorp.com/role/SubsequentEventsDetailsNarrative" xlink:title="00000047 - Disclosure - Subsequent Events (Details Narrative)">
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:label="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:label="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:type="arc" order="10" xbrldt:closed="true"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="loc_us-gaapTypeOfArrangementAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="loc_us-gaapTypeOfArrangementAxis" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaapArrangementsAndNonarrangementTransactionsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapTypeOfArrangementAxis" xlink:to="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaapArrangementsAndNonarrangementTransactionsMember_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapTypeOfArrangementAxis" xlink:to="loc_us-gaapArrangementsAndNonarrangementTransactionsMember_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_UnsecuredPromissoryNoteAgreementMember" xlink:label="loc_CANBUnsecuredPromissoryNoteAgreementMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapArrangementsAndNonarrangementTransactionsMember" xlink:to="loc_CANBUnsecuredPromissoryNoteAgreementMember_0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain" xlink:type="arc" order="20"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaapRelatedPartyDomain_10"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapRelatedPartyTransactionsByRelatedPartyAxis" xlink:to="loc_us-gaapRelatedPartyDomain_10" xlink:type="arc" order="30"/>
<link:loc xlink:type="locator" xlink:href="canb-20220630.xsd#CANB_LenderMember" xlink:label="loc_CANBLenderMember_0"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapRelatedPartyDomain" xlink:to="loc_CANBLenderMember_0" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaapDebtInstrumentInterestRateEffectivePercentage_30"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapDebtInstrumentInterestRateEffectivePercentage_30" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt" xlink:label="loc_us-gaapProceedsFromIssuanceOfUnsecuredDebt_30"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapProceedsFromIssuanceOfUnsecuredDebt_30" xlink:type="arc" order="1"/>
</link:definitionLink>
</link:linkbase>


13 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 4/29/22  Can B Corp.                       8-K:1,2,3,9 4/13/22   15:859K                                   M2 Compliance LLC/FA
 4/15/22  Can B Corp.                       10-K       12/31/21   66:5.8M                                   M2 Compliance LLC/FA
 3/31/22  Can B Corp.                       8-K:1,2,3,9 3/23/22   18:48M                                    M2 Compliance LLC/FA
 9/01/21  Can B Corp.                       8-K:1,9     6/14/21   13:10M                                    M2 Compliance LLC/FA
 8/17/21  Can B Corp.                       8-K:1,2,3,8 8/12/21   14:1.7M                                   M2 Compliance LLC/FA
 5/21/21  Can B Corp.                       10-Q        3/31/21   69:3.9M                                   M2 Compliance LLC/FA
 4/14/21  Can B Corp.                       10-K       12/31/20  102:84M                                    M2 Compliance LLC/FA
11/23/20  Can B Corp.                       8-K:5,9    11/17/20    2:4.6M                                   M2 Compliance LLC/FA
 9/11/20  Can B Corp.                       1-A POS                5:1.8M                                   M2 Compliance LLC/FA
 7/17/20  Can B Corp.                       1-A/A                  7:5.1M                                   M2 Compliance LLC/FA
 4/02/20  Can B Corp.                       10-K       12/31/19   83:40M                                    M2 Compliance LLC/FA
 1/30/19  Can B Corp.                       8-K:5,9     1/14/19    3:367K                                   Printing & Proxy, LLC/FA
12/02/15  Can B Corp.                       S-1                   15:64M                                    Printing & Proxy, LLC/FA
Top
Filing Submission 0001493152-22-023686   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Wed., May 1, 10:31:34.2pm ET