Guarana Extrakt

Hack B, Penna EM, Talik T, Chandrashekhar R, Millard-Stafford M. Effect of Guarana (Paullinia cupana) on Cognitive Performance: A Systematic Review and Meta-Analysis. Nutrients. 2023 Jan 14;15(2):434. doi: 10.3390/nu15020434. PMID: 36678305; PMCID: PMC9865053.
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Kennedy DO, Haskell CF, Wesnes KA, Scholey AB. Improved cognitive performance in human volunteers following administration of guarana (Paullinia cupana) extract: comparison and interaction with Panax ginseng. Pharmacol Biochem Behav. 2004 Nov;79(3):401-11. doi: 10.1016/j.pbb.2004.07.014. PMID: 15582012.
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