We have 6 results for your current selection
Guarana is best known as being a stimulant. But the seeds of the liana plant Paullinia cupana are not only popular because of their high caffeine content. The indigenous people of South America have been using the seeds as a remedy for centuries. Since the 1940s, the research area of ethnomedicine has dealt intensively with guarana seeds, so that more and more effects can now be scientifically proven.