Guarana
StimulantsKey Benefits
How It Works
Guarana seeds contain caffeine bound to tannins, resulting in slower release than pure caffeine (sustained 4-6 hours vs 2-3). Also contains theobromine, theophylline, and catechins providing synergistic cognitive and metabolic benefits beyond what caffeine alone provides.
Dosage & Timing
Recommended Dosage
200-800 mg extract daily (50-200 mg caffeine equivalent)
Best Time to Take
Morning or early afternoon. Account for caffeine content with other sources.
Recommended Form
Standardised guarana extract (known caffeine content)
Side Effects
Same as caffeine: anxiety, insomnia, jitters at high doses. Accounts for total daily caffeine.
Drug Interactions
Same interactions as caffeine. Avoid combining with other caffeine sources without accounting for total intake.
What Does The Research Say?
Studies show cognitive benefits beyond what caffeine alone provides, suggesting synergistic effects of guarana's compound profile. Traditional Amazonian use for sustained energy. Less research than caffeine but promising.
Where to Buy
Buy Guarana on Amazon
Compare prices and read reviews →
Pair Supplements With Smart Training
RYVVA tracks your workouts, nutrition, and recovery — so your supplements fuel real progress.
Try RYVVA Free →Testosterone Support From Voy
UK-based TRT and hormone optimisation. Clinician-led, delivered to your door. Blood tests, prescriptions, and ongoing monitoring.
Learn More at Voy →Try Space Goods
Nootropic mushroom blends for focus, energy, and calm. Lion\'s Mane, Cordyceps, Ashwagandha in one daily drink.
Shop Space Goods →LA Muscle Supplements
Premium sports nutrition — protein, pre-workout, testosterone boosters, and fat burners. UK-made.
Shop LA Muscle →Healthy Meals Delivered
Chef-prepared, macro-balanced meals delivered to your door. Perfect for hitting your nutrition goals.
Try Simmer Eats →Horace — Men's Skincare
Premium French skincare for men. Natural ingredients, no fuss. Cleansers, moisturisers, and grooming essentials.
Shop Horace →Vitality Health Insurance
Rewards you for being healthy. Gym discounts, Apple Watch deals, and wellness perks with your health cover.
Get a Vitality quote →Huel — Complete Nutrition
Nutritionally complete meals, shakes, and bars. 26 vitamins and minerals in every serving.
Try Huel →This information is for educational purposes only and does not constitute medical advice. Researched by the editorial team at NexoraOS, supplement user since 2018. Always consult a qualified healthcare professional before starting any supplement. Individual results may vary. Amazon links are affiliate links.