caffeine/Finding
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Increases upper-body muscular strength (pooled composite)
ModerateEvidence strength: moderate. Human evidence with one recorded weakness, or capped at moderate by its design or by unread numbers.Findingreplicated ×1“A subgroup analysis indicated that caffeine significantly improves upper (SMD = 0.21; 95% CI: 0.02, 0.39; p = 0.026; Fig. 3) but not lower body strength (SMD = 0.15; 95% CI: -0.05, 0.34; p = 0.147; Fig. 4).”
Quoted verbatim from Effects of caffeine intake on muscle strength and power: a systematic review and meta-analysis.. - Study
- meta-analysis
- Dose
- Acute pre-exercise ingestion (capsule, liquid or gel), mean 4.7 mg/kg, range 0.9-6 mg/kg, 45-60 min before testing
- Population
- Healthy adolescent and young-adult participants, trained and untrained, of both sexes; UPPER-BODY SUBGROUP of the pooled 1RM maximal-strength analysis, not the overall estimate. Constituent tests: bench press, machine bench press, lat pulldown.
Effect 0.21 standardised mean difference, 95% CI 0.02 to 0.39
Effects of caffeine intake on muscle strength and power: a systematic review and meta-analysis.2018PMID:29527137Permalink
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To cite this finding: https://catalystproject.ai/e/01M0H6BDFWVWJF64M5TGY34KFZ