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Vitamin · Supplement ingredient

Vitamin B2

Vitamin B2 is listed on 4 U.S. supplement product labels in the NIH DSLD, #2,870 of 4,614 by label frequency.

4
Products
#2,870 of 4,614
By frequency
NIH
Dosing fact sheet

Vitamin B2 (Riboflavin) dosing reference

NIH ODS Fact Sheet →
Recommended Dietary Allowance (RDA / AI)
1.3 mg for adult men, 1.1 mg for adult women
Tolerable Upper Intake Level (UL)
Not established
Pregnancy & lactation
RDA during pregnancy is 1.4 mg; lactation 1.6 mg.

Statement required by FDA: These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. 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.

Source: https://ods.od.nih.gov/factsheets/Riboflavin-HealthProfessional/

How common is Vitamin B2?

Number of supplement labels listing Vitamin B2 vs nearby vitamin ingredients

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

Products containing Vitamin B2

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 B2 vs Vitamin C →

Frequently asked about Vitamin B2

What is the Recommended Dietary Allowance (RDA) for Vitamin B2 (Riboflavin)?
1.3 mg for adult men, 1.1 mg for adult women. The RDA is the average daily intake sufficient to meet the nutrient requirements of nearly all (97–98%) healthy people. Source: NIH Office of Dietary Supplements.
Is there an upper limit for Vitamin B2 (Riboflavin)?
Not established for adults from the National Academy of Medicine.
What about Vitamin B2 (Riboflavin) during pregnancy or breastfeeding?
RDA during pregnancy is 1.4 mg; lactation 1.6 mg.
How many supplement products contain Vitamin B2?
4 supplement product labels in the NIH DSLD currently lists Vitamin B2 as an ingredient. By label frequency it ranks #2,870 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) · Dosing reference: NIH ODS Vitamin B2 (Riboflavin) Health Professional Fact Sheet. 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.