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11 kwi 2024 · Infants (under 1 year): 7500 to 15,000 Units intramuscularly once a day. Duration of therapy: 10 days. 1 to 8 years: 17,500 to 35,000 Units intramuscularly once a day. Duration of therapy: 10 days. Adult dose: Initial dose: 100,000 Units intramuscularly once a day for 3 days.
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.
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 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.
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. Any vitamin A your body does not need immediately is stored for future use. This means you do not need it every day.
Safety. Pregnant women. Vitamin A supplements are not routinely recommended for pregnant women unless there is a severe public health problem. The far lower doses recommended in Table 2 are safe.
