Vitamin A Recommended Daily Intake Iu

Do not exceed an intake 10 000 iu of vitamin a daily advises the linus pauling institute or you put yourself at risk of hypervitaminosis a.
Vitamin a recommended daily intake iu. Food and drug administration fda required manufacturers to use these new labels starting in january 2020 but companies with annual sales of less than 10 million may. Many multivitamins contain vitamin a. In areas where supplementation is indicated for vitamin a deficiency it can be given daily or weekly.
Am j clin nutr 1987 45 704 16. If you eat liver every week do not take supplements that contain vitamin a. Large doses of oral vitamin a supplements don t appear to affect acne.
Recommended dietary intakes of vitamin a in humans. Research on oral vitamin a for specific conditions shows. The recommended daily amount of vitamin a is 900 micrograms mcg for adult men and 700 mcg for adult women.
Risk factors for lung cancer and for intervention effects in. Examples of differences who values to fda values. The rda recommended dietary allowance and the ai adequate intake are the amounts of a vitamin or mineral you need to keep healthy and stay well nourished.
Elements that have a recommended daily intake within µg range are sometimes referred to as trace elements e g. 60 mg vitamin b 6. A single dose of a vitamin a supplement greater than 25 000 iu is not recommended as its safety is uncertain.
International units and mcg rae. 4 µg vitamin c. If you take supplements containing vitamin a make sure your daily intake from food and supplements does not exceed 1 5 mg 1 500 µg.