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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When you decide to spend money on a vitamin or supplement, you want to be sure it delivers. Which is why ...

Taking vitamin D2 might lower the body's levels of the more efficient form of vitamin D, vitamin D3, according to new research from the University of Surrey, John Innes Centre and Quadram Institute ...

Vitamin D2 is plant-based, while vitamin D3 comes from sunlight and animal products. Vitamin D3 may be more effective than D2 at raising vitamin D levels and sustaining them longer. Many people need ...

Vitamin D is one of the most commonly supplemented vitamins–especially in regions and during seasons with little sunlight. It supports numerous processes in the body, including bone metabolism, the ...

Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...

Vitamin D is far more than just a "sunshine vitamin"; it's a critical pro-hormone essential for numerous functions that support health, fitness, and vitality. Its most well-known function is ...