From the Vitamin D Council
Researchers at the University of Malaya recently published their findings on the effects of vitamin D supplementation on cardiovascular health and health-related quality of life (HRQOL) in healthy, pre-menopausal women.
One hundred ninety two women working working at the University of Malaysia were recruited for this study. All of the women were at least 30 years of age with a mean age and MBI of 42.5 years and 27, respectively. At baseline, the women were all tested and confirmed to be vitamin D deficient, defined as a 25(OH)D level less than or equal to 20 ng/mL. Baseline measurements of their parathyroid hormone, blood pressure, cholesterol, blood glucose, insulin resistance, and HRQOL were taken.
The women were then randomized into either a treatment group or a placebo group. The treatment group received 50,000 IU of vitamin D3 weekly for eight weeks and then 50,000 IU monthly for 10 months. Women in the placebo group took a placebo in the same fashion.
Treatment with vitamin D3 or placebo lasted for a total of 12 months. At the end of the study all women in the placebo group received treatment with vitamin D3 because the researchers considered it unethical to leave the women in a known state of vitamin D deficiency.
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