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.

Winter means less time in the sun, but there are foods that can help you get the vitamin D your body needs to function.

Medically reviewed by Lindsay Cook, PharmD Vitamin D helps keep the bones and muscles healthy. Omega-3 fatty acids support a ...

Symptoms that can physically present themselves include tooth decay or pain, muscle pain and cramps and weakness or certain ...

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

Vitamin D's main function is to promote bone health, but it helps with other necessary bodily functions, as well. That's why it's important to make sure you are getting a proper amount of vitamin D, ...

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.

Vitamin D plays an essential role in maintaining your bone health; however, it becomes an increasing concern for people in ...

Nearly a quarter of Americans are estimated to have a vitamin D deficiency. Why is that? A 2022 study of National Health and Nutrition Examination Surveys (NHANES) data estimated that about 22% of ...

Vitamin D deficiency is very common, especially during the winter months with less sunlight. Add these foods to your diet to help.

Too much vitamin D can harm your health. Know the warning signs, side effects, and safe ways to manage your vitamin D levels ...

Vitamin D is an essential nutrient that supports immune function, and heart, bone, muscle and nerve health. Vitamin D can be made in your body from sunlight, but it is also found in salmon, egg yolks ...