Testosterone Boosters Intake in Athletes: Current Evidence and Further Directions

“Testosterone boosters” (TB)—are supplements that are claimed to increase testosterone levels in the human body. While consumption of TB may be popular among athletes, there is insufficient evidence both about safety and real efficacy TB. In our review, we searched MEDLINE/PubMed Cochrane Library for studies on effects 15 substances Anacyclus pyrethrum; Bulbine natalensis; Epimedium (horny goat weed); L-arginine; L-carnitine; magnesium; Mucuna pruriens; pantothenic acid; selenium; shilajit Eurycoma longifolia (Tongkat Ali); Serenoa repens (saw palmetto); boron; Withania somnifera (ashwagandha); Trigonella foenum-graecum (fenugreek) athletes healthy adults under 55 years age. We found such regarding 10 out substances: L-arginine (3 studies); L-carnitine (2); magnesium (1); selenium Tongkat Ali boron (3); ashwagandha root fenugreek (7). Many them fail prove these levels. Ali, ashwagandha, were with strongest evidence. The positive effect concentration was shown single studies. Conflicting data L-arginine, L-carnitine, repens, do not appear There almost no profile various components; however, certain components linked coagulation, pancreatic hepatic disorders. Based authors conclude at present cannot recommended use by due their safety.