| Cover | Jan. 22, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 22, 2022 |
| Entity File Number | 000-55753 |
| Entity Registrant Name | Can B̅ Corp. |
| Entity Central Index Key | 0001509957 |
| Entity Tax Identification Number | 20-3624118 |
| Entity Incorporation, State or Country Code | FL |
| Entity Address, Address Line One | 960 South Broadway |
| Entity Address, Address Line Two | Suite 120 |
| Entity Address, City or Town | Hicksville |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 11801 |
| City Area Code | 516 |
| Local Phone Number | 595-9544 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
