Calcium and Vitamin D Dietary Reference Intakes

published in: Pharmacy // Vitamins & Supplements

Calcium and Vitamin D Dietary Reference Intakes
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Calcium and vitamin D are two essential nutrients long known for their … associated with calcium and vitamin D. The IOM tasked a committee of experts …

REPORT BRIEF

NOVEMBER 2010

For more information visit www.iom.edu/vitamind

Dietary Reference Intakes for Calcium and Vitamin D

Calcium and vitamin D are two essential nutrients long known for their role in bone health. Over the last ten years, the public has heard conflicting messages about other benefits of these nutrients–especially vitamin D–and also about how much calcium and vitamin D they need to be healthy. To help clarify this issue, the U. S. and Canadian governments asked the Institute of Medicine (IOM) to assess the current data on health outcomes associated with calcium and vitamin D. The IOM tasked a committee of experts with reviewing the evidence, as well as updating the nutrient reference values, known as Dietary Reference Intakes (DRIs). These values are used widely by government agencies, for example, in setting standards for school meals or specifying the nutrition label on foods. Over time, they have come to be used by health professionals to counsel individuals about dietary intake. The committee provided an exhaustive review of studies on potential health outcomes and found that the evidence supported a role for these nutrients in bone health but not in other health conditions. Further, there is emerging evidence that too much of these nutrients may be harmful.

The committee provided an exhaustive review of studies on potential health outcomes and found that the evidence supported a role for these nutrients in bone health but not in other health conditions.

Health Effects of Vitamin D and Calcium Intake
The new reference values are based on much more information and higherquality studies than were available when the values for these nutrients were first set in 1997. The committee assessed more than one thousand studies and reports and listened to testimony from scientists and stakeholders before making its conclusions. It reviewed a range of health outcomes, including but not limited to cancer, cardiovascular disease and hypertension, diabetes



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