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Evidence suggests Caffeine mayincreasePerformance.
10 studies (11 claims)
Typical dose 50 mg
Exact normalized-entity scope. Exact scope. Claims must match the selected normalized intervention and endpoint IDs; signal links are not expanded. Direction describes the stored endpoint phrase and is not a benefit/harm judgement.
11 of 11
| Intervention | Direction | Endpoint | Type | Population | Dosage | Title |
|---|---|---|---|---|---|---|
| caffeine | Decreases - performance had deteriorated | performance | Human | thirty healthy volunteers | 50 mg caffeine (single dose) | Double-blind placebo and active (caffeine) controlled study to examine the effects of the herbal nutritional supplement beverage "Wake up" on vigilance and function after lunch.cited 5× |
| caffeine | Increases - proposed beneficial role | performance | Human | — | Not specified. | Caffeine and cardiovascular diseases: critical review of current research.cited 57× |
| caffeine | Increases - sound evidence to support the use | performance | Human | athletes | Not specified | Practical Issues in Evidence-Based Use of Performance Supplements: Supplement Interactions, Repeated Use and Individual Responses.cited 62× |
| caffeine | Increases - can enhance | performance | Human | — | Not specified | Nutritional Supplements and the Brain.cited 30× |
| caffeine | Increases - are used by athletes in an attempt to optimize performance | performance | Human | athletes | — | No individual or combined effects of caffeine and beetroot-juice supplementation during submaximal or maximal running.cited 22× |
| caffeine | Increases - can take for performance enhancement | performance | Human | rowing athletes | — | Nutritional Strategies to Optimize Performanceand Recovery in Rowing Athletes.cited 9× |
| caffeine | Increases - is a well-established ergogenic aid | performance | Human | athletes | — | A time and a place: A framework for caffeine periodization throughout the sporting year.cited 3× |
| caffeine | Increases - performance-enhancing effects demonstrated | performance | Human | athletes across a variety of sports and exercise types | — | A time and a place: A framework for caffeine periodization throughout the sporting year.cited 3× |
| caffeine | No effect - without improving | performance | Human | — | Caffeine (5 mg·kg⁻¹). | Caffeine Use or Napping to Enhance Repeated Sprint Performance After Partial Sleep Deprivation: Why Not Both?cited 19× |
| caffeine | Increases - can improve performance | performance | Human | elite soccer players | — | Dietary and Ergogenic Supplementation to Improve Elite Soccer Players' Performance.cited 6× |
| caffeine (4 mg/kg) | No effect - has no additive effects on | performance | Human | resistance-trained women | — | Effects of resistance exercise alone or with caffeine on hemodynamics, autonomic modulation and arterial stiffness in resistance-trained women.cited 4× |