Vitamin D Increases With Weight Loss

Vitamin D deficiency in overweight or obese women can be recovered if they lose about 15 percent of their weight because they will experience increases in the sunlight vitamin, U.S. researchers say.

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According to, lead author Caitlin Mason of the Fred Hutchinson Cancer Research Center in Seattle says the yearlong study involved 439 overweight-to-obese, sedentary, post-menopausal Seattle-area women, ages 50-75, who were randomly assigned to one of four groups – exercise only, diet only, exercise plus diet and no intervention.

The study, published in the American Journal of Clinical Nutrition, found those who lost 5 percent to 10 percent of their body weight – approximately 10 to 20 pounds for most of the women – through diet and/or exercise saw a relatively small increase in blood levels of vitamin D. But women who lost more than 15 percent of their weight experienced a nearly three-fold increase in vitamin D – independent of dietary intake of the nutrient.

May 30th, 2011 | Posted in Weight Loss
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