But if you’ve been shopping the supplement aisle, you must have noticed that there isn’t just one form of vitamin D: vitamin D2 and D3 are called out on various labels, too. What exactly is the ...

Here's what you need to know about the differences between vitamin D2 and D3. Vitamin D is not actually a vitamin, but a hormone that affects many of your body's important functions. It "is ...

vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). While both forms serve similar functions in the body, there are differences in their sources, metabolism, and effectiveness.

There are two types of vitamin D supplements available for over-the-counter purchase (vitamin D2 and vitamin D3). Vitamin D3 is the type that most experts believe should be utilized in clinical ...