Harvard Women's Health Watch

In the news: Report sets new dietary intake levels for vitamin D and calcium

Studies suggest that we take much more vitamin D than we do now — especially those of us living in northern climes who may get too little sunlight to produce adequate amounts in the skin. Many scientists have advocated vitamin D doses much higher than the present recommended dose to prevent a host of chronic conditions. But the report of an expert panel convened by the Institute of Medicine (IOM) concluded that high doses of vitamin D aren't necessary and might even be harmful. Many people — including many clinicians and researchers — were taken by surprise.
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