Search results
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: The vitamin A RDA is given as ...
Introduction. Vitamin A is the name of a group of fat-soluble retinoids, primarily retinol and retinyl esters [1, 2]. Vitamin A is involved in immune function, cellular communication, growth and development, and male and female reproduction [1-3].
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.
Prophylactic vitamin A supplementation of three groups [infants and young children (0–59 mo), pregnant women and postpartum women within 6 wk after delivery] is recommended in all populations in which vitamin A deficiency is an important public health problem.
Vitamin A supplements for women who have recently given birth are not routinely recommended. Giving high-dose vitamin A to women immediately after delivery is also not recommended by the WHO (2011 Guidelines). When to phase out vitamin A supplements.
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.
For instance, the WHO in 1998 recommended that, although vitamin A supplementation should not exceed 10,000 IU/d, pregnant women living in areas of endemic vitamin A deficiency should receive daily or weekly doses during the first 60 d post-conception.
