Botanical Overview
Guarana (Paullinia cupana) belongs to the Sapindaceae family. Limited but reliable traditional records indicate this plant has recognized medicinal applications in one or more healing traditions. This species belongs to the Sapindaceae family, a group of flowering plants.

General Description
Guaraná has large leaves and clusters of flowers, and is best known for the seeds from its beans, which are about the size of a coffee bean.
Family Context
The Sapindaceae family is widely distributed. Notable medicinal members include:
- Hopwood — 22 documented uses
- Akee — 21 documented uses
- Schleichera oleosa — 21 documented uses
Geographic Distribution
Guarana has been recorded in 10 countries and territories worldwide, including Belgium, Bolivia, Brazil, Colombia, Costa Rica, and others.
Traditional Uses
Guarana has been traditionally used for digestive health, pain and inflammation, and nervous system disorders, among other applications.
Digestive health.
- Diarrhea
For digestive complaints, the herb is typically prepared as a tea or decoction taken before meals. The bitter compounds stimulate digestive secretions and improve nutrient absorption. Some traditions use the powdered root or leaves in small doses as a stomachic tonic.
Pain and inflammation.
- Neuralgia
For pain and inflammation, preparations are applied both topically as compresses and taken internally. A warm poultice draws blood to the area and promotes healing, while internal preparations address systemic inflammation.
Nervous system disorders.
- Nervine
Nervous system support involves taking the herb as a warm tea, often in the evening or before bed. The calming compounds interact with neurotransmitter systems to promote relaxation and restful sleep.
Active Compounds
Phytochemical research has identified 21 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).
The identified compounds include the following categories:
- Phenolic: antioxidant compounds that neutralize free radicals
- Alkaloid: nitrogenous compounds with diverse pharmacological activities
- Tannin: astringent compounds that tighten tissues and resist infection