Another key difference between the two forms of vitamin D is their source. “Vitamin D2 is usually produced by plants when ...

Women between ages of 30 and 70 need about 600 international units, and once they're over 70, that number goes up to about ...

Both Vitamin D2 and D3 are inactive forms of Vitamin D. After you get Vitamin D from sunlight, food, or supplements, your body converts it into an active form called calcitriol.

You can boost vitamin D through fortified foods, fish and seafood, safe sunlight exposure, and proper absorption. Some people ...

When the sun is out, your body can potentially make its own vitamin D, but it still may make sense to continue with ...

Scientists working at Norwich Research Park are using gene editing create a next-gen tomato that will offer a sustainable source of vitamin D3.

Vitamin D is often called the “sunshine vitamin,” and for a good reason, it’s one of the few such nutrients which your body ...

Osteoporosis is a disease that makes bones weak and more likely to break. Sometimes, a person may break a bone from a small ...

With so much noise around supplements, we asked seven nutritionists and dietitians about the supplements they take – and when ...

The ingredient list on your favorite snack might seem harmless enough until you dig a little deeper. Beneath the labels and behind the scenes, everyday foods hide strange additives, surprising ...

Learn how nutrition directly impacts your immune system with expert tips from Dr. David Heber. Discover key nutrients like ...

If you've never heard of taking a vitamin K supplement, then you are not alone. Here’s what you can do to support bone health as you age.