Vitamin D may be a safe treatment option for chronic heart failure

People with chronic heart failure (CHF)—when the left heart chamber does not pump sufficient blood to the body—are often low in vitamin D.

In this study, 163 people with CHF and vitamin D deficiency, below 20 nanograms per milliliter of blood, took a placebo or 4,000 IU of vitamin D per day. After 12 months, those taking vitamin D saw a 6.07 percent increase in left-chamber pumping capacity and, compared to placebo, greater improvement in chamber dimensions and volume. Doctors said vitamin D may be an inexpensive, safe treatment option for CHF.

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