Vitamin D benefit

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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: 5/12/2012
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.

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