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Vitamin · Supplement ingredient

Vitamin B12 (methylcobalamin)

Vitamin B12 (methylcobalamin) is listed on 239 U.S. supplement product labels in the NIH DSLD, #529 of 4,614 by label frequency.

239
Products
#529 of 4,614
By frequency

How common is Vitamin B12 (methylcobalamin)?

Number of supplement labels listing Vitamin B12 (methylcobalamin) vs nearby vitamin ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Vitamin B12 (methylcobalamin)

Nearby Ingredients in Vitamin

Other ingredients in the Vitamin category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Vitamin B12 (methylcobalamin) vs Vitamin C →

Nationwide ingredients with similar DSLD presence

Two peer sets for Vitamin B12 (methylcobalamin): closest on total DSLD label listings (239 here) and closest on distinct brands that list it (83 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Frequently asked about Vitamin B12 (methylcobalamin)

How many supplement products contain Vitamin B12 (methylcobalamin)?
239 supplement product labels in the NIH DSLD currently lists Vitamin B12 (methylcobalamin) as an ingredient. By label frequency it ranks #529 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.