But this isn't the whole story—our food choices aren't pulling their weight either, thanks in part to a limited list of foods that actually provide vitamin D in significant quantities.

Vitamin D is an important nutrient but one that people tend to lack during the winter months. Vitamin D helps keep bones ...

The recommended daily allowance of vitamin D varies by person. However, most adults should get 600 international units (IU) daily, while adults 70 and up should have 800 IU of the nutrient ...

Vitamin D is a medicine used in the treatment of vitamin D deficiency. It helps the body absorb calcium and phosphorus. It is important for maintaining strong bones and used to treat and prevent ...