SeedGuarana
Evidence for guarana's benefits is limited, with some small studies suggesting cognitive improvements and traditional use for fatigue, but low-quality evidence for cancer-related fatigue.
Benefits
- Stimulant
- may reduce hunger
- manage fatigue
- increase energy
- and improve sexual performance
- indicated for chemopreventive
- neuroprotective
- and anxiolytic properties.
Key compounds
Caffeinetheobrominetheophyllinetanninssaponinscatechinsproanthocyanidins
May help with
- Traditionally used in Amazonian medicine to treat fevers
- headaches
- dysentery
- and as a stimulant to alleviate fatigue and suppress appetite.
Best for these goals
Stimulantmay reduce hungermanage fatigueincrease energyand improve sexual performanceindicated for chemopreventiveneuroprotectiveand anxiolytic properties.
How to use it
Tablets, capsules, powders
Evidence level
Limited
Cautions & interactions
Side effects include nausea, insomnia; high doses can cause vomiting, altered heartbeat, high blood pressure, and seizures. Not recommended for children or pregnant/lactating individuals. | Interactions: May have additive effects with anticoagulant/antiplatelet drugs; may decrease amiodarone bioavailability. Consult healthcare provider if taking stimulants or blood thinners.
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