Vitamin D₃
Vitamin D₃ is a fat-soluble vitamin, one of the main forms of vitamin D. It is formed in human skin under the action of ultraviolet rays.
FormulaIt is a pro-hormone: in the body it is converted into active metabolites that regulate calcium and phosphorus metabolism, ensure bone, teeth, and immune system health. Deficiency leads to rickets, osteoporosis, and decreased immunity.
C₂₇H₄₄OApplication
preparations for prevention and treatment of rickets, osteoporosis, vitamin deficiency; included in vitamin complexes.