vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). While both forms serve similar functions in the body, there are ...
there are a few differences between the two. Vitamin D is well-known for supporting bone health. Both vitamins D2 and D3 help the body absorb calcium and phosphorus, which are essential for ...
As a rule, younger people need less vitamin D than older people, regardless of sex. This article explains average vitamin D ...