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 ...

Both vitamins D2 and D3 are available as over-the-counter (OTC) dietary supplements. While most people don’t need a ...

There are two main forms of vitamin D that are important for human health: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). While both forms serve similar functions in the body ...

The most common vitamin D compounds are vitamin D2 and vitamin D3, which come from different natural sources. Doctors generally prescribe vitamin D2 supplements if you have a vitamin D deficiency ...