Vitamin D Supplements Prevent Respiratory Infections

By: Byron J. Richards, Board Certified Clinical Nutritionist
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A Swedish study published in the British Medical Journal has proven that taking 4000 IU of vitamin D per day for 12 months can significantly lower the risk for respiratory tract infection in people who are prone to such infections.

It has long been recognized that those low in vitamin D are more prone to respiratory infections. This study is a gold standard double-blind randomized control trial seeking to find out if vitamin D supplementation can actually prevent such infections, which proved to be the case.

“Our research can have important implications for patients with recurrent infections or a compromised immune defense, such as a lack of antibodies, and can also help to prevent the emerging resistance to antibiotics that come from overuse,” says Peter Bergman, researcher at Karolinska Institutet’s Department of Laboratory Medicine and doctor at Karolinska University Hospital’s Immunodeficiency Unit.

Since vitamin D levels tend to run low as the winter moves along, it may be of value for any person prone to respiratory issues to ensure they are adequate in vitamin D.

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