Vitamin D Supplements Protect Skin Against Infection
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The October, 2008 issue of the Journal of Allergy & Clinical Immunology published the discovery of researchers at the University of California, San Diego of a protective effect of orally administered vitamin D against skin infection resulting from the most common form of eczema known as atopic dermatitis.
Skin from subjects who received vitamin D showed an increase in a peptide called cathelicidin which helps protect against invasion by microbes. Reduced levels of cathelicidin have been associated with an increased amount of infection in eczema patients. "These results suggest that supplementation with oral vitamin D dramatically induces cathelicidin production in the skin of patients with atopic dermatitis," stated coauthor Tissa R. Hata, MD. "It also slightly elevated its production in normal skin in this study."
