Guarana (Paullinia Cupana) – Uses and Health Benefits What is Guarana? Guarana (Paullinia cupana) is a plant which has intoxicant, anti-cancer, antibacterial, enhance athletic performance, reduce mental and physical fatigue and weight loss effects properties which make it useful in the medicinal era. The Habitat of the Guarana It is a climber which belongs to maple family and has large leaves and clusters of flowers. The fruit of it is very much similar to the coffee bean by size. Fruit