Dose-Response of Paraxanthine on Cognitive Function: A Double Blind, Placebo Controlled, Crossover Trial.
Dante XingChoongsung YooDrew GonzalezVictoria JenkinsKay NottinghamBroderick DickersonMegan LeonardJoungbo KoMark FariesWesley KephartMartin PurpuraRalf JägerShawn D WellsRyan SowinskiChristopher J RasmussenRichard B KreiderPublished in: Nutrients (2021)
PXN may serve as an effective nootropic agent at doses as low as 50 mg.