Fact checked by Nick BlackmerVitamin D is critical for immune defense, osteoporosis prevention, heart health, and more. While foods such as salmon and trout contain it, some beverages do, too. Here ...

Researchers are still trying to understand why some people develop Long COVID: lasting symptoms of the disease that can ...

Vitamin D has long been known as an essential nutrient for strong bones and teeth, but in recent years it has gained a new reputation as a "longevity" vitamin because of its wide-reaching role ...

Medically reviewed by Elizabeth Barnes, RDN Your body can make vitamin D from sunlight, but getting it from food sources offers added benefits. Foods rich in vitamin D—like fatty fish—also provide ...

Maintaining adequate levels of serum vitamin D is recommended for those with osteoporosis to preserve bone strength and prevent falls, but the presence of obesity can complicate how supplementation is ...

Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is the ...

The most clinically established and studied function of vitamin D is its role in maintaining skeletal integrity through the dynamic modulation of calcium and phosphorus absorption. 2 In addition to ...

If the winter weather has you spending less time outside in the sun's rays, these foods can give you the vitamin D you need. Arielle Burton was an associate content manager on CNET's Performance ...

Few nutrients seem to get as much attention as vitamin D does. Taking a supplement has been touted as an effective way to slow overall aging and protect against heart disease and cancer, although ...

A number of health authorities now acknowledge that vitamin D deficiency is a pervasive problem in the United States and the developed world. Sun deprivation, already a problem for inhabitants of ...