Latest evidence update: 2026-04-17
Strongest in Replication (80). Held back by Recency (51).
Solid mix of RCTs with some methodological gaps.
Confirmed across many independent studies with significant findings.
Tens of thousands of participants pooled across studies.
Mostly aligned, with some divergence.
Evidence base skews older; field may have moved on.
Effect-size tagged on 668 of 676 claims for this food. Our research updates daily; remaining claims are pending re-processing.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
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Green coffee bean extract supplementation showed no significant difference in ALT, AST, γ-GTP, ALP, LDH, CRP, and IL-6 markers compared to placebo.
Caffeine-containing energy drinks did not significantly improve sprinting performance.
Caffeine ingestion has a significant ergogenic effect on upper-body muscular strength in women.
Caffeine ingestion has a significant ergogenic effect on muscular endurance in women.
Caffeine-containing energy drinks improved endurance exercise test performance.