What is a vitamin b12?

Vitamin B12 is an FDA established pharmacologic class (EPC). Drugs in the same class work in a similar way, but they can differ in uses, dosing and side effects.

How many vitamin b12 drugs are there?

Our data lists 71 FDA-labeled products in this class, counting brand and generic versions separately.

Checked Oct 26, 2026

Vitamin B12 drugs

71 drugs in this FDA established pharmacologic class, sorted by active ingredient

Vitamin B12 list

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Frequently asked questions

What is a vitamin b12?: Vitamin B12 is an FDA established pharmacologic class (EPC). Drugs in the same class work in a similar way, but they can differ in uses, dosing and side effects.
How many vitamin b12 drugs are there?: Our data lists 71 FDA-labeled products in this class, counting brand and generic versions separately.

Source: U.S. Food and Drug Administration, openFDA drug labels · Last updated 10/26/2026

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Data sources

openFDA drug labels (SPL)U.S. Food and Drug Administration
NDC DirectoryDosage forms, strengths and packages
DailyMedFull labels from the National Library of Medicine

Data as of 10/26/2026

Do not rely on openFDA to make decisions regarding medical care. While FDA makes every effort to ensure that data is accurate, all results should be assumed unvalidated. This page is for information only and is not medical advice. Talk to your doctor or pharmacist before starting, stopping or changing any medicine.

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