Product analysis
Guarana 200 mg is aimed at alertness. Unspecified preparation and caffeine content make its likely effect difficult to judge.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
The guarana preparation is unspecified. Its botanical amount does not establish the identity or strength of a defined extract.
Ingredient Transparency63
The guarana quantity is disclosed, but preparation details are missing. The botanical amount does not establish how much caffeine a serving provides.
Value For Money40
Guarana value cannot be judged reliably from the available information. Without a clearly comparable preparation, the serving cost gives limited guidance.
Customer Satisfaction75
Customer ratings are favorable. The review count provides useful context while giving a less extensive picture than a large review base.
Product Focus70
The formula is concentrated on an alertness-related botanical. Its unspecified preparation and caffeine amount limit confidence in transferable energy or cognitive benefits.
- Format
Capsule - Container
- 90 Capsule(s)
- Per serving
- $0.09
- Customer rating
- 4.5 · 767 ratings
Goals
Guarana has an alertness rationale, with limited acute findings for a particular standardized extract. The 200 mg serving receives a contribution in the saved findings, but generic guarana mass does not identify that extract or establish its caffeine content. Those findings cannot establish sustained exercise energy or reliable fatigue relief.
How this product is rated for Energy
Ingredient fit77
Goal fit
Dose adequacy
Pathways12
Depth
Breadth
Evidence73
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Guarana is a possible caffeine source, but its 200 mg botanical amount does not establish caffeine exposure. The supplied scientific context does not support a transferable cognitive benefit for generic guarana. Its presence therefore cannot establish improved alertness, memory or learning.
How this product is rated for Cognitive Support
Ingredient fit77
Goal fit
Dose adequacy
Pathways40
Depth
Breadth
Evidence75
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Guarana 4:1 extract | 200 mg |
How this ingredient is rated
Composition and Label Disclosure60
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.