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Unauthorized ingredients in nootropic dietary supplements: A review of the history, pharmacology, prevalence, international regulations, and potential as doping agents

[DOI] [PubMed] [Google Scholar] 59.Khalatbary A.R., Khademi E

They also check for creatine kinase

Leppik, L., Parksepp, M., Janno, S., Koido, K., Haring, L., Vasar, E., & Zilmer, M