Vitamin D
Vitamin D are preparations preventing the development of rickets. They contribute to the absorption of phosphorus and calcium in the body and the formation of teeth and bones; these are fat-soluble compounds. They are obtained by activating or irradiating various provitamins D, which are sterols or their derivatives, usually produced and transformed by the organism itself
Source: "Explanations to the Commodity Nomenclature of Foreign Economic Activity of the Russian Federation (HSN Russia)" (prepared by the Federal Customs Service of Russia) (volume 1, sections I - VI, groups 1 - 29)
Понятие «витамины d» мужского рода.
| Падеж | Единственное число | Множественное число |
|---|---|---|
| Р | витамина D | витаминов D |
| Д | витамину D | витаминам D |
| В | витамин D | витамины D |
| Т | витамином D | витаминами D |
| П | витамине D | витаминах D |