Animal Pharm: 'Roid Rage: Vitamin D3 -- DO IT (Part II) - 0 views
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Matti Narkia on 21 Nov 09"Vitamin D is not just a sun-derived vitamin, but is a crucial steroid precursor that is transformed into one of the most potent hormones in the human body for strength, power, lung function and regulating gene expression in every organ system. Athletes need Vitamin D. Dr. Cannell has written quite extensively about the role of vitamin D in athletes"