Vitamin
Riboflavin
Riboflavin is found naturally in some foods and is added to many fortified foods. The NIH Office of Dietary Supplements publishes a recommended amount of Men 1.3 mg; Women 1.1 mg. Read 2026-08-09.
What is Riboflavin?
NIH's fact sheet for Riboflavin carries no line we quote here under this heading.
How much Riboflavin does NIH publish?
| Life stage | Amount | Printed table |
|---|---|---|
| Birth to 6 months | 0.3 mg | Recommended Amount |
| Breastfeeding teens and women | 1.6 mg | Recommended Amount |
| Children 1–3 years | 0.5 mg | Recommended Amount |
| Children 4–8 years | 0.6 mg | Recommended Amount |
| Children 9–13 years | 0.9 mg | Recommended Amount |
| Infants 7–12 months | 0.4 mg | Recommended Amount |
| Men | 1.3 mg | Recommended Amount |
| Pregnant teens and women | 1.4 mg | Recommended Amount |
| Teen boys 14–18 years | 1.3 mg | Recommended Amount |
| Teen girls 14–18 years | 1.0 mg | Recommended Amount |
| Women | 1.1 mg | Recommended Amount |
Children and teens
Rows for children and teens appear in the table above, in NIH's own wording.
Pregnancy and breastfeeding
Rows for pregnant and breastfeeding life stages appear in the table above, in NIH's own wording.
What upper limit does NIH publish for Riboflavin?
NIH publishes no upper limit for Riboflavin.
Which foods contain Riboflavin?
"Riboflavin is found naturally in some foods and is added to many fortified foods."
Where these numbers come from
Every quote and every amount on this page comes from National Institutes of Health, Office of Dietary Supplements. Riboflavin — Consumer. Public domain (U.S. Government work). LAFYA read the sheet 2026-08-09.
Read the full fact sheet at NIH Office of Dietary SupplementsWhat LAFYA does not say about Riboflavin
LAFYA publishes no claim that riboflavin does anything in the body, because we cannot prove one.