Ingredient library
Mineral
Fluoride
The NIH Office of Dietary Supplements publishes an upper limit of Adults 19 years and older 10 mg. Read 2026-08-17.
What is Fluoride?
NIH's fact sheet for Fluoride carries no line we quote here under this heading.
How much Fluoride does NIH publish?
| Life stage | Amount | Printed table |
|---|---|---|
| Birth to 6 months | 0.01 mg | Recommended Amount |
| Breastfeeding teens and women | 3 mg | Recommended Amount |
| Children 1–3 years | 0.7 mg | Recommended Amount |
| Children 4–8 years | 1 mg | Recommended Amount |
| Children 9–13 years | 2 mg | Recommended Amount |
| Infants 7–12 months | 0.5 mg | Recommended Amount |
| Pregnant teens and women | 3 mg | Recommended Amount |
| Teens 14–18 years | 3 mg | Recommended Amount |
| Adults 19 years and older | 10 mg | Upper Limit |
| Birth to 6 months | 0.7 mg | Upper Limit |
| Children 1–3 years | 1.3 mg | Upper Limit |
| Children 4–8 years | 2.2 mg | Upper Limit |
| Children 9–13 years | 10 mg | Upper Limit |
| Infants 7–12 months | 0.9 mg | Upper Limit |
| Pregnant and breastfeeding teens and women | 10 mg | Upper Limit |
| Teens 14–18 years | 10 mg | Upper Limit |
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 Fluoride?
- Adults 19 years and older: 10 mg
- Birth to 6 months: 0.7 mg
- Children 1–3 years: 1.3 mg
- Children 4–8 years: 2.2 mg
- Children 9–13 years: 10 mg
- Infants 7–12 months: 0.9 mg
- Pregnant and breastfeeding teens and women: 10 mg
- Teens 14–18 years: 10 mg
Which foods contain Fluoride?
NIH's fact sheet for Fluoride carries no line we quote here about foods.
Where these numbers come from
Every quote and every amount on this page comes from National Institutes of Health, Office of Dietary Supplements. Fluoride — Consumer. Public domain (U.S. Government work). LAFYA read the sheet 2026-08-17.
Read the full fact sheet at NIH Office of Dietary SupplementsWhat LAFYA does not say about Fluoride
LAFYA publishes no claim that fluoride does anything in the body, because we cannot prove one.