Dave Tuttle, a body builder who has competed professionally, received his undergraduated degree from Michigan State University and his master's degree from Harvard University. He writes regularly for "Let's Live," "Physical" and other magazines.
User's Guide to Sports Nutrientsby Dave Tuttle
Bodybuilders and other serious athletes commonly take natural performance-enhancing nutrients. Used correctly, these nutrients help build muscle and strength. This guide describes the best of these nutritional supplements and tells you how to use them safely and effectively.
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