Vitamin A is supplementary and too much and harmful

Vitamin A is supplementary and too much and harmful
The ones that announced before recently on January 9 in special despatch U.S.A. in www.xinhuanet.com Washington instructed people how dosage standard that medicine was mended has been made greatly and revised. A report that the medical research institute of U.S.A. announces on the 8th points out, people should not supplement vitamin A too much, should not especially abuse those heavy dose of vitamin A pills that can buy in health care grocer. Say, the man needs 900 micrograms of vitamin A every day, woman's requirement of every day is 700 micrograms. And so-called the past one " The giving a recommendation amount of every day " It is larger than this dosage. Researchers still warn, the uptake amount of vitamin A can't exceed 3000 micrograms certainly every day, because such big dosage will damage the liver, will cause baby's inborn defect. Vitamin A, to protecting eyesight, keeping immune system and other human body's functions essential. In some is poor lags behind the countries and regions, it causes the main reason that hundreds and thousands of persons are blind to lack vitamin A. The rich food containing vitamin A is meat, fish, egg, oatmeal and deep pigment dish. And common people needn't have other medicines and can get enough vitamin A from the diet of every day when being mended. The taking amount of day when the medical research institute of U.S.A. has also pointed out other microelements: The woman after man and menopause needs 8 milligrams of irons and prevent anemia every day; Pregnant woman and foetus need 27 milligrams of irons every day; The man needs 11 milligrams of zinc every day, 8 milligrams of women.

|