Some food sources do in fact contain vitamin D – including oily fish (such as salmon or sardines), red meat, egg yolks and fortified cereals. However, only a small proportion (roughly 10–20%) of our ...

Vitamin D deficiency impacts more than 1 billion people worldwide. Vitamin D deficiency can negatively affect a child’s growth, immune response, mental health, and more, which is why proper treatment ...

Some research shows that low vitamin D levels may affect joint pain related to some types of arthritis. However, the evidence is mixed, and more research is necessary to understand whether ...

Vitamin D supplements are linked to many health benefits, including decreasing the chance of heart disease, supporting immune function, and aiding weight loss. New research suggests that calcium and ...

Everyone knows vitamin D-- it's the nutrient we get from the sun. Vitamin D is important for several bodily functions, the main ones being bone and muscle strength and immune function. Still, about 35 ...

Those who have trouble absorbing vitamin D are at risk for bone fractures, osteoporosis, and more. Having Crohn's or kidney disease and taking certain medications may inhibit vitamin D absorption. If ...

For a while vitamin D was looking like a bona fide health elixir. It was recognized a century ago as the cure for rickets, a childhood disease that causes weak and deformed bones. Then, in the early ...

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 ...