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PapersPMID:40000922

Response of VO2max to dark chocolate consumption in healthy subjects: A systematic review and meta-analysis of randomized controlled trials.

Physiological reports2025The record ↗

  1. Finding, moderate evidenceno difference foundMaximal oxygen uptake

No finding here moved its endpoint.

What did not

1 findingHow to read these marks →
  • “According to the findings of this meta‐analysis, DC had no significant effect on VO2max (SMD = 0.14 (95% CI: −0.16 to 0.44), p = 0.36).”
    Study
    meta-analysis
    Effect
    0.14 standardised mean difference, 95% CI −0.16 to 0.44
    Dose studied
    5 to 40 g per day of dark chocolate, 70% to 75% cocoa, across trials
    Population
    Healthy adults aged 18 to 70 years (athletes and sedentary), five randomised controlled trials pooled

Study record

Design
meta-analysis
Species
human
Population
Healthy subjects aged 18 to 70 years in five randomized controlled trials of dark chocolate and VO2max
Participants
144
Comparator
placebo
Duration
not reported
Endpoints measured
8