Vitamin D3, also known as cholecalciferol, is a kind of vitamin D and has been proved to be the real active form of vitamin D in the body. At least 10 kinds of vitamin D are known, but the most important ones are vitamin D2 (ergot calciferol) and vitamin D3 (cholecalciferol). Cholecalciferol, also known as vitamin D3, is the most important form of vitamin D family. It mainly regulates calcium and phosphorus metabolism in the body. Vitamin D3 is transformed from 7-dehydrocholesterol in the skin by ultraviolet irradiation.

USES & EFFECTIVENESS

1) Improve the body's absorption of calcium and phosphorus to make the level of plasma calcium and phosphorus reach saturation;
2) Promote growth and bone calcification, and promote sound teeth;
3) Increase phosphorus absorption through intestinal wall and phosphorus reabsorption through renal tubules;
4) Maintain normal levels of citrate in the blood;
5) Prevent the loss of amino acids through the kidney.
6) Promote the absorption and deposition of calcium and phosphorus in the intestine for the treatment of rickets and osteomalacia.
7) regulate the proliferation and differentiation of normal cells and cancer cells, and have antiproliferative and anti metastatic effects on breast cancer, colon cancer and prostate cancer.