Paraxanthine provides greater improvement in cognitive function than caffeine after performing a 10-km run.

Choongsung YooDante XingDrew E GonzalezVictoria JenkinsKay NottinghamBroderick DickersonMegan LeonardJoungbo KoMegan H LewisMark FariesWesley KephartMartin PurpuraRalf JägerShawn D WellsKylin LiaoRyan SowinskiChristopher J RasmussenRichard B Kreider

Published in: Journal of the International Society of Sports Nutrition (2024)

Results provide some evidence that pre-exercise PX ingestion improves prefrontal cortex function, attenuates attentional decline, mitigates cognitive fatigue, and improves reaction time and vigilance. Adding CA to PX did not provide additional benefits. Therefore, PX ingestion may serve as a nootropic alternative to CA.

Keyphrases

prefrontal cortex
high intensity
working memory
protein kinase
physical activity
resistance training
depressive symptoms