General knowledge of vitamin D

General knowledge of vitamin D
Vitamin D it contributes to be through promote calcium absorb then regulate many kinds of physiological functions mainly in body. Vitamin D3 can induce the intestines mucous membrane of a lot of animals to produce a kind of single-minded calcium conjugated proteln, the ones that increase animal's enteric mucous membrane to calcium ion are penetrating, promote calcium in the enteric absorption inside. Vitamin D is lipid-soluble vitamin. Vitamin D comes from the food and sunshine (ultraviolet ray can act on the oil in the skin in order to produce vitamin D, then while absorbing and enter the human body) . The smog will interdict the sunlight of making vitamin D; After the strong one is dried in the sun and burnt, the skin will stop making vitamin D. The absorbing amount is 200- 400IU or 5- 10mcg the adult's suggestion every day.


First, utility of vitamin D:

1,Can make calcium and phosphorus utilized, make strong skeleton and tooth effectively;

2,Can prevent cold to take with vitamin A, C at the same time;

3,Contribute to the treatment of conjunctivitis;

4,Help to absorb vitamin A.

Second, deficiency disease of vitamin D: Rickets, serious dental caries, richets, senile osteoporosis.

Third, rich food containing vitamin D: Cod liver oil, sardine, herring, salmon, yaito tuna, milk, milk product.

Fourth, side effect of vitamin D: The adult absorbs above 200OOIU long-term every day, may cause the side effect. Children take above 1800IU every day, will cause too much diseases of vitamin D. Symptom of the common side effect is unusually thirsty, eyes inflammation, the skin tickles, vomit, diarrhoea, polyuria and unusual sediment in the blood vessel wall, liver, lung, kidney, stomach of calcium.

Do fifth, you need to supplement vitamin D?

1,The person in city, especially the people in the region that the dense smoke pollutes should absorb more vitamin D;

2,Workers, the nun at night, the uptake that or the person who can't fully get the sunshine because of the clothes, life style should pay special attention to increasing vitamin D in the diet;

3,If you are taking the medicine against convulsion, must increase the uptake of vitamin D;

4,Drink the uptake amount that the child not adding milk of vitamin D must increase vitamin D;

5,Vitamin D that skin color needs to be more more than black people living.


Vitamin D
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