# 791 - How Vitamin D Improves Athletic Performance PLUS The Spectrum of Possibilities for Human Metabolism Part 2: Protein Preferential :: Guest: Dr. John J Cannell and Jim Marlowe :: Dr. Cannell gives very compelling evidence to the argument that Vitamin D is both ergogenic and anabolic PLUS Marlowe gives the second installment to the series which details how to tell if you are in Protein Type metabolism and what this means. ::

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