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Cholesterol Levels Improved in Postmenopausal Women Through Calcium and Vitamin D Supplements

by Kathy Jones on  March 8, 2014 at 4:34 PM Women Health News   - G J E 4
A new study from the Women's Health Initiative (WHI) suggests that taking calcium and vitamin D supplements after menopause can improve women's cholesterol profiles.
 Cholesterol Levels Improved in Postmenopausal Women Through Calcium and Vitamin D Supplements
Cholesterol Levels Improved in Postmenopausal Women Through Calcium and Vitamin D Supplements
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The study is published online in Menopause, the journal of The North American Menopause Society (NAMS).Whether calcium or vitamin D can indeed improve cholesterol levels has been debated. And studies of women taking the combination could not separate the effects of calcium from those of vitamin D on cholesterol.

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But this study, led by NAMS Board of Trustees member Peter F. Schnatz, DO, NCMP, is helping to settle those questions because it looked both at how a calcium and vitamin D supplement changed cholesterol levels and how it affected blood levels of vitamin D in postmenopausal women.Daily, the women in the WHI CaD trial took either a supplement containing 1,000 mg of calcium and 400 IU of vitamin D3 or a placebo.

This analysis looked at the relationship between taking supplements and levels of vitamin D and cholesterol in some 600 of the women who had both their cholesterol levels and their vitamin D levels measured.The women who took the supplement were more than twice as likely to have vitamin D levels of at least 30 ng/mL (normal according to the Institute of Medicine) as were the women who took the placebo. Supplement users also had low-density lipoprotein (LDL—the "bad" cholesterol) levels that were between 4 and 5 points lower. The investigators discovered, in addition, that among supplement users, those with higher blood levels of vitamin D had higher levels of high-density lipoprotein (HDL—the "good" cholesterol) and lower levels of triglycerides (although for triglycerides to be lower, blood levels of vitamin D had to reach a threshold of about 15 ng/mL).

Taking the calcium and vitamin D supplements was especially helpful in raising vitamin D levels in women who were older, women who had a low intake, and women who had levels first measured in the winter—what you might expect. But lifestyle also made a difference. The supplements also did more to raise vitamin D levels in women who did not smoke and who drank less alcohol.Whether these positive effects of supplemental calcium and vitamin D on cholesterol will translate into benefits such as lower rates of cardiovascular disease for women after menopause remains to be seen, but these results, said the authors, are a good reminder that women at higher risk for vitamin D deficiency should consider taking calcium and vitamin D."The results of this study should inspire even more women to be conscientious about their calcium and vitamin D intake—a simple and safe way to improve health. One action can lead to multiple benefits!" says NAMS Executive Director Margery Gass, MD.The study, "Calcium/vitamin D supplementation, serum 25-hydroxyvitamin D concentrations, and cholesterol profiles in the Women's Health Initiative calcium/vitamin D randomized trial," will be published in the August 2014 print edition of Menopause.



Source: Eurekalert
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