Vitamin A supports healthy eyes, bones, immune function, and more. Who needs a supplement? Experts discuss the benefits, ...

Below, we walk you through everything you need to know about vitamin D and how to get your levels in the proper place.

Spinach salad (as well as magnesium, spinach is rich in vitamins A, C, E, and K), with cherry tomatoes, chicken or turkey, ...

People who are on the lower end of normal or just below normal may benefit from taking 5,000 to 10,000 IU of vitamin D, ...

Eight common medications can affect how vitamin D works in your body. Learn which drugs require special timing or monitoring ...

Health Canada has granted approval for NanoSpeed Diagnostics’ Test4D Serum, designed to identify vitamin D levels in blood ...