(Reuters Health) – High doses of vitamin D may not help strengthen bones in postmenopausal women, a study suggests.
Vitamin D helps the body use calcium, and calcium in turn helps support bone health. After a year on high-dose vitamin D supplements, women were absorbing slightly more calcium from their intestines into their blood compared to women who took low doses of vitamin D or a dummy pill.
But that didn’t seem to matter, because all three regimens produced similar results in terms of bone mineral density, muscle mass and the women’s risk for falling.
“We conclude that there is no reason to take more than the recommended daily allowance for vitamin D,” lead author Dr. Karen Hansen of the University of Wisconsin in Madison said by email.
Falls are a leading cause of fatal and nonfatal injuries among the elderly, according to the U.S. Centers for Disease Control…
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