Guarana is used for weight management, to support athletic performance, as a stimulant, and to manage mental and physical fatigue. It is a frequent addition to energy and weight management products.
Some people also use Guarana to manage low blood pressure and chronic fatigue syndrome (CFS), and to prevent malaria and dysentery. It is also used to enhance sexual desire, to increase urine flow, and as an astringent. Other uses include treatment of ongoing diarrhea, fever, heart problems, headache, joint pain, backache, and heat stress.