Translations:Vitamin D/7/en
Types
| Name | Chemical composition | Structure |
|---|---|---|
| Vitamin D1 | Mixture of molecular compounds of ergocalciferol with lumisterol, 1:1 | |
| Vitamin D2 | ergocalciferol (made from ergosterol) | Note double bond at top center. |
| Vitamin D3 | cholecalciferol
(made from 7-dehydrocholesterol in the skin). |
File:Cholecalciferol.svg |
| Vitamin D4 | 22-dihydroergocalciferol | File:22-Dihydroergocalciferol.svg |
| Vitamin D5 | sitocalciferol
(made from 7-dehydrositosterol) |
File:Vitamin D5 structure.svg |