Here’s what vitamin D3 is and why your body needs it.

Like other vitamins, vitamin D is a substance needed for health but only in tiny amounts. Unlike other vitamins, it doesn't occur naturally in many foods (except seafood, mushrooms, and egg yolks), ...

"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 ...

Vitamin D, in D2 (plants) and D3 (sunlight, foods), supports overall health, including bone health, immune function, calcium absorption, and muscle strength. D2 fortifies foods, while D3 is found in ...

You can get vitamin D3 from sun exposure and meat, such as fish oil and egg yolk. You can get vitamin D2 from plants. Vitamin D is more than just one vitamin. It’s a family of nutrients that shares ...

When it comes to building strong, healthy bones, the emphasis on strength training has never been greater. Staying active is essential for bone health, but it’s important not to neglect the basics: ...