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 ...

Manetti advises, "Supplements are sometimes necessary to maintain optimal levels of vitamin D. Although these can be purchased over the counter, even at a very high dosage, it is best to as your ...

Vitamin D supplements are recommended for people who don’t get much sun and are available to buy over the counter. It’s important to check how much vitamin D the tablets contain as they vary ...

These results can be explained by other studies, which found mechanisms by which vitamin D inhibits cancer growth and ...