Ingredient library

Mineral

Zinc

Zinc is found in cells throughout the body. The NIH Office of Dietary Supplements publishes an upper limit of Adults 40 mg. Read 2026-08-17.

What is Zinc?

"Zinc is found in cells throughout the body."

How much Zinc does NIH publish?

National Institutes of Health, Office of Dietary Supplements. Zinc — Consumer. Read 2026-08-17.
Life stageAmountPrinted table
Birth to 6 months2 mgRecommended Amount
Breastfeeding teens13 mgRecommended Amount
Breastfeeding women12 mgRecommended Amount
Children 1–3 years3 mgRecommended Amount
Children 4–8 years5 mgRecommended Amount
Children 9–13 years8 mgRecommended Amount
Infants 7–12 months3 mgRecommended Amount
Pregnant teens12 mgRecommended Amount
Pregnant women11 mgRecommended Amount
Adults40 mgUpper Limit
Birth to 6 months4 mgUpper Limit
Children 1–3 years7 mgUpper Limit
Children 4–8 years12 mgUpper Limit
Children 9–13 years23 mgUpper Limit
Infants 7–12 months5 mgUpper Limit
Teens 14–18 years34 mgUpper 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 Zinc?

  • Adults: 40 mg
  • Birth to 6 months: 4 mg
  • Children 1–3 years: 7 mg
  • Children 4–8 years: 12 mg
  • Children 9–13 years: 23 mg
  • Infants 7–12 months: 5 mg
  • Teens 14–18 years: 34 mg

Which foods contain Zinc?

NIH's fact sheet for Zinc 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. Zinc — Consumer. Public domain (U.S. Government work). LAFYA read the sheet 2026-08-17.

Read the full fact sheet at NIH Office of Dietary Supplements

What LAFYA does not say about Zinc

LAFYA publishes no claim that zinc does anything in the body, because we cannot prove one.

Quotes are word-for-word from National Institutes of Health, Office of Dietary Supplements. Public domain (U.S. Government work). LAFYA does not interpret, summarise, or add to them.

NIH source read 2026-08-17.