Getting adequate amounts of vitamin A from your diet should prevent the symptoms of deficiency, which include hair loss, skin problems, dry eyes, night blindness and increased susceptibility to infections. Deficiency is a leading cause of blindness in developing countries. 19 апр. 2017 г.
What happens if vitamin A is too high?
Symptoms of Vitamin A Excess Consuming too much vitamin A over a long period of time can cause coarse hair, partial loss of hair (including the eyebrows), cracked lips, and dry, rough skin. Chronic consumption of large doses of vitamin A can cause liver damage. It can also cause birth defects in a fetus.
Why is my vitamin A so high?
High levels of vitamin A often result from a person taking too many supplemental vitamins. A person should talk to their doctor about all the vitamins they are taking to make sure that they are not consuming too much vitamin A.
How much vitamin A is healthy?
The Recommended Dietary Allowance (RDA) for vitamin A is 900 mcg and 700 mcg per day for men and women, respectively. This intake level is easy to reach if you consume plenty of whole foods ( 28 ).
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