Pooled results favored caffeine plus taurine for some performance measures
Combining the ingredients favored brief, intense exercise performance and reaction time, while endurance results varied and heart rate showed no credible differences.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The pooled estimates favored caffeine plus taurine over either ingredient alone for anaerobic capacity and reaction time. Findings for endurance and physiological measures were less consistent. Heart rate showed no credible differences across conditions, which does not prove identical effects. The results support a limited performance finding, with practical relevance still uncertain.
This abstract-based account lacks participant characteristics, doses, assessment timing and safety outcomes. It therefore cannot establish which settings the findings apply to or the safety and overall value of commercial energy drinks.
What researchers found
Anaerobic capacity
Caffeine plus taurine versus caffeine or taurine alone; standardized difference in performance. Assessment timing is not reported in the abstract.
What the standardized result means
Anaerobic capacity concerns brief, intense effort. Hedges' g expresses the difference relative to the spread of performance scores: the estimated advantage was 0.46 standard deviations. It does not directly tell us the improvement in seconds or distance.
Other outcomes were less clear
Blood lactate estimates pointed upward for caffeine and downward for taurine, but both credible intervals included zero. These uncertain physiological findings do not establish a wider health benefit from either ingredient or their combination.
The original publication
Caffeine and taurine: a systematic review and network meta-analysis of their individual and combined effects on physical capacity, cognitive function, and physiological markers.
Deng H, Wang L, Liu P et al.
J Int Soc Sports Nutr · 2025
- PubMed ID
- 41032459
- Record checked
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