Product analysis
Guarana 200 mg offers a simple guarana supplement for people seeking short-term alertness, with benefits dependent on the preparation used.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
The guarana preparation is unspecified. Findings for a clearly defined extract cannot be assumed to apply to every guarana preparation.
Ingredient Transparency63
A guarana quantity is stated, but its preparation is not described. The herb's weight alone does not tell you the caffeine exposure.
Value For Money40
Value for money remains uncertain. The serving cost and guarana quantity do not establish a clear comparison of useful alertness support.
Customer Satisfaction74
Customer feedback is positive across several hundred reviews. The review base provides a useful range of opinions, though fewer than for heavily reviewed alternatives.
Product Focus51
The formula is narrowly centered on guarana and interest in alertness. The uncertain preparation and caffeine exposure make its practical effect harder to predict.
- Format
Capsule - Container
- 60 VegCap(s)
- Per serving
- $0.17
- Customer rating
- 4.6 · 475 ratings
Goals
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Guarana seed extract | 200 mg | |
Guarana | 100 mg |
How this ingredient is rated
Composition and Label Disclosure80
Marker and Preparation Disclosure
Composition and Label Disclosure0
Amount and Label Disclosure
Commercial Price and Usability
Alternative products
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Cognitive effects of guarana supplementation with maximal intensity cycling.
- Cognitive Performance Enhancement Induced by Caffeine, Carbohydrate and Guarana Mouth Rinsing during Submaximal Exercise.
- Improved cognitive performance in human volunteers following administration of guarana (Paullinia cupana) extract: comparison and interaction with Panax ginseng.
- The effect of plant active substances on cognitive function in healthy older adults: a systematic review and network meta-analysis of randomized controlled trials.
- Effect of Guarana (Paullinia cupana) on Cognitive Performance: A Systematic Review and Meta-Analysis.
- Dietary supplements and fatigue in patients with breast cancer: a systematic review.
- Purified dry extract of Paullinia cupana (guaraná) (PC-18) for chemotherapy-related fatigue in patients with solid tumors: an early discontinuation study.
- Placebo-Controlled, Double-Blind, Randomized Study of a Dry Guarana Extract in Patients with Head and Neck Tumors Undergoing Chemoradiotherapy: Effects on Fatigue and Quality of Life.
- Effects of Acute Guarana (Paullinia cupana) Ingestion on Mental Performance and Vagal Modulation Compared to a Low Dose of Caffeine.
- Effectiveness of guaraná (Paullinia cupana) for postradiation fatigue and depression: results of a pilot double-blind randomized study.