Millions of Americans rely on the "sunshine vitamin" for immunity and bone strength, but missing one crucial step regarding ...

Experts recommend that a few well-timed supplements may support immune function during the holiday season, when stress, ...

Learn how vitamin D benefits your body, and how to know if you're getting enough of this key nutrient or if you need more from sun exposure, your diet, or supplements.

Taking too much vitamin D can cause serious side effects. Learn the signs, why you might feel weird after taking it, and when to talk to your healthcare provider.

Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether ...

Eggs are a solid source of vitamin D, but many foods like cod liver oil, rainbow trout, and fortified milk contain higher levels of this important nutrient.

Health Canada's new regulations require nearly double the Vitamin D in cow's milk and margarine by Dec. 31. We explain why ...

Vitamin D is vital for immunity, brain health, strong bones, and overall well-being, but taking in too much from supplements ...

If you miss a dose of your weight loss or type 2 diabetes GLP-1 medication, you may not feel any differently right away, says Cecilia Low Wang, MD, a professor of medicine and director of the Glucose ...