Guarana is the wellknown stimulant from the Brazilian rain forest. It increases concentration keeps a clear head & drives out mental boredom. Guarana also works as a sexual stimulant. Mixed with coffee it strengthens the effect of the caffeine which means extra energy. Combining it with maca is another great energy enhancing alternative. Try it when doing your homework working or during a long car journey. Guarana is a woody evergreen climbing vine which adopts a semierect posture when