Vitamin D benefit

Vitamin D promotes retention and absorption of calcium and phosphorus, primarily in the bones. Scientists are also investigating many other possible health benefits. Taking too much vitamin D (above 2,000 IU a day) can be toxic.
Review Date: 03/10/2011
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine,
Harvard Medical School; Physician, Massachusetts General Hospital.

