The Effects of an Over-the-Counter Nootropic on Indices of Cognitive Performance: Direct Original Research. Research in Psychology and Behavior, [S. l.], v. 6, n. 1, 2026. DOI: 10.53520/rpb2026.107200. Disponível em: https://researchdirects.com/index.php/psychology/article/view/200. Acesso em: 23 apr. 2026.