Product analysis
Guarana 500 mg offers a focused guarana supplement that appears well aligned with its intended uses. Its unspecified preparation makes direct comparisons with other guarana options difficult.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
The guarana preparation is unspecified. That prevents a confident comparison of ingredient quality.
Ingredient Transparency63
The guarana amount is listed, while its preparation is not. The amount is therefore easier to compare than the ingredient itself.
Value For Money40
Value cannot be judged confidently from the available information. The stated amount alone does not establish affordability.
Customer Satisfaction82
Customer feedback is positive across a substantial number of ratings. Reviews reflect satisfaction rather than confirming effectiveness.
Product Focus74
The single-ingredient formula has a clear focus. Its alignment with the intended uses appears encouraging.
- Format
Capsule - Container
- 100 Capsule(s)
- Per serving
- $0.11
- Customer rating
- 4.6 · 1,417 ratings
Goals
Guarana has limited acute alertness findings for a particular standardized extract. This product's declared guarana mass does not establish that preparation or its caffeine content. Although the saved result recognizes an alertness contribution, the supplied context does not support transferring the extract's findings to arbitrary powders or extracts, or inferring a stimulant dose from plant mass.
How this product is rated for Energy
Ingredient fit97
Goal fit
Dose adequacy
Pathways45
Depth
Breadth
Evidence73
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Guarana is a botanical source of caffeine and is linked to alertness in the saved findings. Its declared 500 mg botanical amount does not establish how much caffeine the serving supplies. Because standardization and outcomes vary, the supplied context does not support a predictable stimulation or cognitive benefit from that plant mass alone.
How this product is rated for Cognitive Support
Ingredient fit97
Goal fit
Dose adequacy
Pathways60
Depth
Breadth
Evidence75
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Guarana | 500 mg |
How this ingredient is rated
Composition and Label Disclosure40
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.