Despite living in an era of abundant food choices and dietary supplements, vitamin D deficiency remains one of the most widespread nutrient gaps globally.

For this reason, the National Institutes of Health Office of Dietary Supplements recommends that most children and adults ages 1 to 70 get about 15 micrograms or 600 international units (IU) of ...

Adults and children over four years old should take 10 micrograms (400IU) of vitamin D per day during the autumn and winter.

Vitamin D is often called the “sunshine vitamin,” and for good reason. Your body makes it when sunlight touches your skin. It also comes from certain foods and supplements. Most people know vitamin D ...

Plus, how to tell if you need to supplement at all.

The link between vitamin D and mood is well supported by clinical research. Low vitamin D levels are strongly associated with ...