Crit Rev Food Sci Nutr · 2023
Plant-derived nootropics and human cognition: A systematic reviewConclusion: Caffeine enhances attention and executive functions. Together, the results from the compiled studies highlight the nootropic effects and the inconsistencies regarding PDNs that require further research.Supplemental data for this article is available online at https://doi.org/10.1080/10408398.2021.2021137.