-- Robert Preidt
FRIDAY, Jan. 24, 2014 (HealthDay News) -- There's little
evidence that vitamin D supplements offer substantial health
benefits, and several ongoing studies are unlikely to change that,
according to a large new review.
Vitamin D supplements are taken by nearly half of American
adults, according to the researchers.
The review authors analyzed the findings of 40 studies and
determined that taking vitamin D supplements does not reduce the
risk of heart attack, stroke, cancer or bone fractures in the
general population by more than 15 percent.
That result suggests that vitamin D supplements likely provide
few, if any, health benefits, said Dr. Mark Bolland, of the
University of Auckland in New Zealand, and colleagues.
The study appears in the Jan. 25 issue of
The Lancet Diabetes & Endocrinology.
Unless used in people with vitamin D deficiency, there is
legitimate concern that taking vitamin D supplements might actually
cause harm, professor Karl Michaelsson, of Uppsala University in
Sweden, wrote in an accompanying journal editorial.
Previous research has shown that vitamin D deficiency is
associated with poor health and early death. But recent evidence
suggests that low levels of vitamin D are a result, not a cause, of
poor health, according to a journal news release.
The Harvard School of Public Health has more about
vitamin D and health.
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