You'd probably have to take in excess of 10,000 units daily for long periods ... that multi-vitamins sometimes have D2 instead of D3. What does that mean? Vitamin D2 is from plants, it's ...

When is the best time to take vitamin D? The best time to take any vitamin is the time when you will remember, says Gans. In ...

Many people are turning to vitamin D supplements due to awareness about vitamin D deficiency. However, various factors can affect their effectiveness, like bioavailability, incorrect dosage ...

Vitamin D2 doses are equivalent to the same dosage amount of vitamin D3 ... of vitamin D is up to 600 IU daily for adults.

The vitamin is important in helping your system absorb the calcium it needs to maintain strong and healthy bones. We also need vitamin D to support various other functions and systems in the body. But ...

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 ...