• SCIENTIFIC NAMES: Paullinia cupana; Paullinia sorbilis
  • INDICATIONS: Aphrodisiac, diarrhea, fatigue, fever, heart problems, headache, mental alertness, neuralgia, weight loss. Cosmetic products, anti-cellulite creams, shampoo for hair loss. Flavoring.
  • SYNONYM: Sapindaceae
  • CLASS: Stimulant, mild
  • HALF-LIFE: N/A

The main constituent of guarana is caffeine. It contains more than twice as much caffeine as coffee or tea. Excessive consumption of caffeine is contraindicated for persons with high blood pressure, cardiac disorders, diabetes, ulcers, and epilepsy.

See also separate profile for caffeine.

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Page last updated 07/31/2023

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Incidence

<1% 1‑5% 5‑10% 10‑15% 15‑20% 20‑30% >30%

Seriousness

Hospitalization possible
Life threatening
Fatal

Warnings in other populations

BreastfeedingBreast feeding

GeriatricGeriatric

PediatricPediatric