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11 kwi 2024 · Usual Adult Dose for Vitamin/Mineral Supplementation. US Recommended Dietary Allowance (RDA): Adult male: 900 mcg retinol activity equivalents (RAE) (3000 international units [IU]) Tolerable Upper Intake Level (UL): 3000 mcg RAE (10,000 IU) Adult female: 700 mcg RAE (2330 IU) UL: 3000 mcg RAE (10,000 IU) Comments:
Women Age 51+: If you are age 51–70, you need at least 15 mcg (600 IU) each day, but not more than 100 mcg (4,000 IU). If you are over age 70, you need at least 20 mcg (800 IU), but not more than 100 mcg (4,000 IU).
The recommended daily amount of vitamin A is 900 micrograms (mcg) for adult men and 700 mcg for adult women. What the research says. Research on oral vitamin A for specific conditions shows: Acne. Large doses of oral vitamin A supplements don't appear to affect acne. Age-related macular degeneration.
Recommended doses are 30,000 mcg RAE (100,000 IU) of vitamin A once for infants age 6–11 months and 60,000 mcg RAE (200,000 IU) every 4–6 months for age 1–5 years. In 2013, 11,200 deaths from measles were associated with vitamin A deficiency, and more than 95% of these deaths occurred in sub-Saharan Africa and south Asia.
The total vitamin A content of a food is usually expressed as micrograms (µg) of retinol equivalents (RE). The amount of vitamin A adults aged 19 to 64 need is: 700 µg a day for men. 600 µg a day for women. You should be able to get all the vitamin A you need from your diet.
25 sie 2024 · Generally, the recommended daily amounts of vitamin A from different sources—like foods and supplements—are based on age, sex, pregnancy, and breastfeeding status. Once you're older than 18, the upper limit (UL) for animal-based foods and vitamin A supplements is around 3,000 mcg daily.
The median intake of vitamin A ranges from 744 to 811 μg RAE/ day for men and 530 to 716 μg RAE/day for women. Using μg RAE, approximately 26 and 34 percent of vitamin A activity consumed by men and women, respectively, is provided from provitamin A carotenoids.
