Ingredient library

Vitamin

Vitamin A

Vitamin A is a fat-soluble vitamin that is naturally present in many foods. The NIH Office of Dietary Supplements publishes an upper limit of Adults 19 years and older 3,000 mcg. Read 2026-08-16.

What is Vitamin A?

"Vitamin A is a fat-soluble vitamin that is naturally present in many foods."

How much Vitamin A does NIH publish?

National Institutes of Health, Office of Dietary Supplements. Vitamin A — Consumer. Read 2026-08-16.
Life stageAmountPrinted table
Birth to 6 months400 mcg RAERecommended Amount
Breastfeeding teens1,200 mcg RAERecommended Amount
Breastfeeding women1,300 mcg RAERecommended Amount
Children 1–3 years300 mcg RAERecommended Amount
Children 4–8 years400 mcg RAERecommended Amount
Children 9–13 years600 mcg RAERecommended Amount
Infants 7–12 months500 mcg RAERecommended Amount
Pregnant teens750 mcg RAERecommended Amount
Pregnant women770 mcg RAERecommended Amount
Adults 19 years and older3,000 mcgUpper Limit
Birth to 12 months600 mcgUpper Limit
Children 1–3 years600 mcgUpper Limit
Children 4–8 years900 mcgUpper Limit
Children 9–13 years1,700 mcgUpper Limit
Teens 14–18 years2,800 mcgUpper 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 Vitamin A?

  • Adults 19 years and older: 3,000 mcg
  • Birth to 12 months: 600 mcg
  • Children 1–3 years: 600 mcg
  • Children 4–8 years: 900 mcg
  • Children 9–13 years: 1,700 mcg
  • Teens 14–18 years: 2,800 mcg

Which foods contain Vitamin A?

NIH's fact sheet for Vitamin A 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. Vitamin A — Consumer. Public domain (U.S. Government work). LAFYA read the sheet 2026-08-16.

Read the full fact sheet at NIH Office of Dietary Supplements

What LAFYA does not say about Vitamin A

LAFYA publishes no claim that vitamin a 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 2026-08-16.