Tuesday, 14 August 2007

Evidence mounts for protective effect of vitamin D and calcium in postmenopausal women

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Postmenopausal women who take calcium and vitamin D supplements may reduce their risk of cancer, according to a report published in the American Journal of Clinical Nutrition. The study was a randomized controlled trial. This is in contrast to many earlier studies that show that vitamin D is protective against cancer, but were only observational trials.

The researchers found that women who took both calcium (1400-1500 mg/day) and vitamin D (1100 IU vitamin D3/day) had a lower incidence of cancer than those who took the placebo. There were 13 cases among the 446 women who took the supplements versus 20 cases among 288 women who took the placebo during the four year period.

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