Guarana (Paullinia cupana) seeds contain highly concentrated natural caffeine, alongside other stimulants like theobromine and theophylline. It is a potent central nervous system stimulant with a longer half-life than synthetic caffeine.
Clinical Summary
Extensively studied for its stimulating properties; clinically shown to effectively improve alertness, cognitive performance, fat oxidation, and physical endurance.
Dosage Guidelines
Dosing varies based on standardized caffeine content; typically 200mg to 400mg of extract per day.
Safety & Side Effects
Jitteriness, insomnia, increased heart rate, and gastrointestinal upset (typical of high caffeine intake).
Known Interactions
Interacts with other stimulants, MAOIs, and may affect the clearance of lithium and certain blood pressure medications.
Medical Disclaimer
The information provided in this clinical review is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment.
*These statements have not been evaluated by the Food and Drug Administration (FDA). This product or ingredient is not intended to diagnose, treat, cure, or prevent any disease.
Always consult your physician or other qualified health provider with any questions you may have regarding a medical condition, or before beginning any new diet, fitness, supplement, or treatment regimen, especially if you have pre-existing medical conditions or are taking prescribed medications.
