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News Release July 01, 2015 Tests of Maca "Enhancement" Supplements Find Real Maca, But Some Lead Contamination and Seemingly Excessive Amounts of Rice Filler White Plains, New York, July 1, 2015 It's touted for increasing stamina and sexual performance and sales have steadily increased for more than a decade, but do maca supplements really contain this root indigenous to Peru

Participants were recreationally active (150 min/week of physical activity) but were not competitive athletes and were instructed not to alter their exercise regimen during the study

doi: 10.1007/s00467-005-2085-4

[DOI] [PubMed] [Google Scholar] 10.Adams M, Jewell AP