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Body Building and Performance Enhancement Supplements
What You Need To Know
August 2021
From the National Center for Complementary and Integrative Medicine
National Institutes of Health
Why do some bodybuilders and athletes take dietary supplements?
Some bodybuilders and athletes use dietary supplements to try to improve their strength, muscle mass, and energy. However, many of these types of products contain harmful ingredients. Also, for some substances, including glutamine, choline, methoxyisoflavone, quercetin, zinc/magnesium aspartate, nitric oxide, and L-arginine, there’s no clear evidence that they improve athletic performance.
What dietary supplements are banned by the NCAA?
The National Collegiate Athletic Association (NCAA) maintains a list of banned substances and explains that some dietary supplements may contain banned substances not listed on the product labels. BMPEA (a phenethylamine) and DMAA (dimethylamylamine) are two examples of substances banned by the NCAA. More information on BMPEA and DMAA is given below.