Image: Wikimedia Commons, CC BY-SA
Guarana
瓜拉纳 (Guā Lā Nà) · Paullinia cupana
Contains more caffeine than coffee beans plus theobromine and tannins for sustained energy release. Evidence for cognitive enhancement, fat metabolism, and athletic performance.
Good For
Key Benefits
May help combat fatigue and increase stamina
Traditionally used to support physical endurance
May support cognitive function and mental clarity
Traditionally used to sharpen memory and focus
How to Take
Safety & Interactions
Possible Side Effects
- Digestive discomfort at higher doses
- May cause drowsiness or stimulation depending on the herb
- Allergic reactions possible in sensitive individuals
Do Not Use If
- Pregnancy and breastfeeding (insufficient safety data)
- Children under 12 without professional guidance
- Scheduled surgery (stop 2 weeks before)
Drug Interactions
- May interact with prescription medications
- May affect blood sugar or blood pressure medications
- Consult pharmacist before combining with other supplements
Traditional Use
In Traditional Chinese Medicine, 瓜拉纳 (Guā Lā Nà) has been used for centuries. It is traditionally classified as a qi-tonifying herb that strengthens vitality. It opens the orifices and sharpens the intellect — used traditionally for forgetfulness and mental fog.
Modern Research
Moderate research exists for this herb, including some clinical trials and substantial preclinical data. While not as extensively studied as top-tier herbs, the evidence supports several traditional uses. More human trials would strengthen the evidence base.
View all studies on PubMed for Paullinia cupana →Where to Buy
Affiliate links — purchases support this free resource.