Despite high hopes, recent studies have found that vitamin D supplements taken alone don’t prevent fractures, make bones stronger or protect against heart disease or cancer — at least not at a dose of ...

Medically reviewed by Kira Graves, PhD Vitamin D is an essential nutrient you obtain primarily from sun exposure. If you ...

For adults, doses of 800 to 2000 units per day are recommended, with prolonged intake of over 4000 units potentially being ...

Vitamin D and calcium are essential for overall ... Specifically, consuming 2,000 IU (international units) a day of supplemental vitamin D3 without calcium over the course of more than five ...