.Cholecalciferol is also called vitamin D3, it’s very important for our health.

1. Improve the absorption of calcium and phosphorus by the body, so that the levels of plasma calcium and plasma phosphorus reach saturation level.
2. Promote growth and bone calcification to promote healthy teeth;
3. Increase the absorption of phosphorus through the intestinal wall and increase the reabsorption of phosphorus through the renal tubule;
4. Maintain normal levels of citrate in the blood;
5. Prevent amino acid loss through the kidneys.