Supplement Facts Generator

Folate

Last reviewed:

Folate is declared on US Supplement Facts panels in mcg DFE. Its Daily Value for adults and children 4 years and older is 400 mcg DFE.

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Also known as
folic acid, 5-MTHF, methylfolate, L-methylfolate
Typical label unit
mcg DFE

Reference values by market

Market Reference value Source Status
United States — Daily Value 400 mcg DFE 21 CFR 101.9
21 CFR 101.9(c)(8)(iv) — RDI table, adults and children ≥ 4 years (eCFR up to date as of 10/01/2026)		 Verified
United Kingdom — NRV 200 mcg Retained Reg. 1169/2011
Regulation (EU) No 1169/2011, Annex XIII, Part A, point 1		 Verified
European Union — NRV 200 mcg Reg. (EU) 1169/2011, consolidated 01.04.2025 (amended by M1 1155/2013, M2 78/2014, M3 2015/2283, M4 2024/2512 — none amend Annex XIII)
Reg. (EU) 1169/2011 Annex XIII Part A point 1 (verified 2026-10-04)		 Verified

Forms found in supplements

  • Folic acid
  • 5-MTHF (L-5-MTHF, 5-methylfolate, L-methylfolate, methylfolate)

Source: NIH ODS fact sheet (updated 2026-09-05)

On a Supplement Facts label, the source form can be shown in parentheses after the nutrient name, for example “(as …)”. In the generator, use the Source / form field. (21 CFR 101.36 (d))

Labeling notes

  • US labels declare folate in mcg DFE (dietary folate equivalents). — 21 CFR 101.9 21 CFR 101.9(c)(8)(iv)
  • For 5-MTHF, FDA allows a conversion factor of 1.7 or a manufacturer-established factor not exceeding 1.7. — NIH ODS fact sheet (updated 2026-09-05)

Unit conversions

  • mcg DFE = mcg naturally occurring folate + 1.7 × mcg folic acid. — FDA guidance

This page describes how the ingredient is labeled. It does not make or support any health claim.

Sources

  1. Nutrition labeling of food (RDIs, DRVs, rounding) — U.S. Food and Drug Administration (21 CFR 101.9)
  2. Folate — Health Professional Fact Sheet — NIH Office of Dietary Supplements (NIH ODS fact sheet (updated 2026-09-05))
  3. Guidance for Industry: Converting Units of Measure for Folate, Niacin, and Vitamins A, D, and E on the Nutrition and Supplement Facts Labels — U.S. Food and Drug Administration (FDA guidance)