Health & Fitness Engineer

In this podcast Dr. Marshall Porterfield and Coach BK chat about magnesium and why it is critical for health as well as performance of the endurance athletes. Dr. Marshall Porterfield: PhD, Professor at Purdue University and currently in charge of Space, Life and Physical Sciences Research Program at NASA. Dr. Marshall Porterfield is also an endurance athlete, participating in ultra running and ironman events. www.BonnieKissinger.com