Adenosylcobalamin (Cobamamide)
Adenosylcobalamin, also known as cobamamide, is the mitochondrial coenzyme form of Vitamin B12. It is supplied as a pure powder for use in supplement manufacturing and retains full vitamin activity. As a derivative of Vitamin B12 used primarily as a vitamin, it falls under tariff item 2936.26.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is mixed with other vitamins or minerals
Intermixtures of vitamins are classified under the 'Other' tariff item in heading 2936.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is classified as a Vitamin B12 derivative and not as a pharmaceutical preparation, which would fall under a different heading
• Have a Certificate of Analysis available to confirm purity and identity for CBSA inspection
• Verify whether the product requires a Drug Identification Number (DIN) if intended for human consumption
Related Products under Tariff item 2936.26.00
Cyanocobalamin 1% Feed Grade Premix
This is a cyanocobalamin premix standardized to 1% B12 activity on a maltodextrin carrier, intended for animal nutrition. The Vitamin B12 remains the principal active ingredient, and the maltodextrin acts as a diluent or carrier. It qualifies under tariff item 2936.26.00 as a Vitamin B12 derivative, provided the carrier does not render it suitable for a specific use other than as a vitamin supplement.
Cyanocobalamin Succinate Complex
Cyanocobalamin complexed with succinic acid for enhanced stability in liquid formulations. The succinic acid acts as a stabilizer, which is permitted under Chapter Note 1(f) of Chapter 29. The product retains full B12 vitamin activity and is therefore classified under tariff item 2936.26.00.
Cyanocobalamin USP Powder
Pharmaceutical-grade cyanocobalamin powder meeting USP standards is a synthetic form of Vitamin B12. It is used primarily as a vitamin supplement and is not put up in measured doses or for retail sale. As a separate chemically defined compound, it falls under tariff item 2936.26.00.
Fermentation-Derived Cobamamide
Biosynthetic adenosylcobalamin (cobamamide) produced via microbial fermentation is identical to the natural Vitamin B12 coenzyme. It is a separate chemically defined compound with full vitamin activity. Tariff item 2936.26.00 covers both synthetic and natural-reproduced Vitamin B12 derivatives.
Hydroxocobalamin Acetate
Hydroxocobalamin acetate is a Vitamin B12 derivative used in cyanide poisoning antidotes and B12 deficiency treatments. It is supplied as a sterile powder and is not put up in measured doses. As a derivative of Vitamin B12 used primarily as a vitamin, it falls under tariff item 2936.26.00.
Mecobalamin Crystals
Mecobalamin (methylcobalamin) is a coenzyme form of Vitamin B12 with full B12 activity, supplied as pure crystals for pharmaceutical use. It is a separate chemically defined compound used primarily as a vitamin. Tariff item 2936.26.00 covers this derivative of Vitamin B12.