Guarana's positive effects on mental performance

<strong>Guarana´s positive Auswirkung auf geistige Leistungsfähigkeit<strong>

Guarana is not only known as a stimulant, but also improves mood and mental performance. As for the effect of guarana on cognitive abilities, a study published in 2004 found that mental responsiveness and, most importantly, memory improved. These results from D.O.Kennedy (University of Newcastle, UK) provide the first evidence of the psychoactive effects of guarana in humans.