Vitamin D is essential to bone strength. Too little can lead to osteoporosis or brittle bones.
The U.S. Preventive Services Task Force recently advised post-menopausal women against taking low-dose calcium and vitamin D, saying there was no evidence that it would help prevent breaks. Now, a new study published in the New England Journal of Medicine looks at the effectiveness of high doses of vitamin D and whether it wards off fractures in women aged 65 and over.
A group of researchers at the University of Zurich looked over 11 different vitamin D studies, which included more than 30,000 women. The conclusion: the vitamin D in high doses provides a somewhat favorable ability to prevent non-vertebral fractures of women in this age group.
These findings support the most recent recommendation from the Institute of Medicine; that women 65 years of age and older take a high dose, 800 IU, of vitamin D per day.
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