Taking too much vitamin D can cause nausea, vomiting, weakness, and bone pain. Over time, vitamin D toxicity may cause heart ...

While the recommended daily intake of vitamin D is 600 international units (IU) a day, you may need to take up to 3000 IU ...

They may recommend taking a high dose of vitamin D for the first few weeks just to try and get you back to normal. You’ll want to test again about six months later to see if that supplementation was ...

Taking vitamin D2 may lower vitamin D3 levels, suggesting the two forms aren’t interchangeable. Vitamin D3 appears more ...

To maximize vitamin D absorption, take it with a meal containing healthy fats, as this can boost blood levels significantly.

A crucial guide to optimizing the efficacy of your daily wellness routine by understanding the principles of nutrient ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are some supplements that you can take whenever and wherever, regardless of the time of day, what ...

I t’s not hard to find a vitamin D–fortified food or beverage product. Companies have rolled out a steady stream of them over ...

A recent UK research shows vitamin D2 supplements may lower the body’s levels of vitamin D3, the form most vital for immunity ...

New research from the University of Surrey warns that vitamin D2 supplements may lower levels of vitamin D3, the body’s key ...

Dietary supplements such as iron, calcium, magnesium and zinc do not mix well with coffee and should be taken at different times.