Description Guarana is a slightly bitter but stimulant tonic herb with fewer lowering, astringent and diuretic effects. Guarana is used to relieve fatigue and to aid concentration. Guarana is an effective stimulant, its seeds contain about twice the concentration of caffeine found in coffee seeds (about 2 – 4.5% caffeine in guarana seeds compared to 1 – 2% in coffee seeds). Also known as Brazilian Chocolate. 50g Guarana powder
