Vitamin D3
Vitamin D3
Product Name: Vitamin D3
Synonym: Cholecalciferol
CAS Number: 67-97-0
EINECS: 200-673-2
Molecular formula: C27H44O
Molecular weight: 384.6377
Appearance: Crystal
Introduction:
Vitamin D3 (cholecalciferol) is mainly synthesized by the body itself. The body's skin contains a type of cholesterol, which becomes vitamin D3 when exposed to sunlight. In addition, vitamin D3 can also come from animal foods, such as livers, especially cod liver oil extracted from fish livers of seafood. Vitamin D3, except for a few animal foods, is mainly formed by 7-dehydrocholesterol in the skin after ultraviolet radiation, and 7-dehydrocholesterol is produced by the conversion of cholesterol, so some people call it sun vitamin .
Functions of Vitamin D3:
1. Improve the body's absorption of calcium and phosphorus, and make plasma calcium and plasma phosphorus reach saturation
2. Promote growth and bone calcification, promote healthy teeth;
3. Increase phosphorus absorption through the intestinal wall and increase phosphorus reabsorption through the renal tubule
4. Maintain the normal level of citrate in the blood;
5. Prevent the loss of amino acids through the kidneys.
Vitamin D3 100000 iu/g
Vitamin D3 500000 iu/g
Vitamin D3 1000000 iu/g
Vitamin D3 5000000 iu/g