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Blunted response: black women may need more oral vitamin D.(Gynecology)
NEW ORLEANS -- Black women may need higher doses of oral vitamin [D.sub.3] supplementation than white women to achieve optimal serum levels, Dr. Sonia Talwar said in a poster session at the annual meeting of the Endocrine Society.
"Black women's response to vitamin [D.sub.3] supplementation appears to be blunted, especially at higher doses," said Dr. Talwar of the State University of New York at Stony Brook. "Even at 50 [micro]g per day, we still weren't able to get all of these women up to what's considered a normal level for whites."
Oral vitamin [D.sub.3] supplementation is being studied as a way of optimizing vitamin D levels, but prior studies have been conducted primarily in white populations. Blacks have lower serum levels of vitamin D than whites because of their lower ability to synthesize the nutrient dermally.
Dr. Talwar tested the biochemical response to oral vitamin [D.sub.3] in 208 healthy postmenopausal black women aged 50-75 years. In the 3-year randomized, placebo-controlled trial, women ...
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