New evidence
Caffeine plus taurine beat either alone for anaerobic capacity in a meta-analysis — but the same review found no boost to endurance or athletic performance.
This is the first systematic analysis to suggest a real synergy between caffeine and taurine for short bursts of effort, but with no effect on other fitness measures and no prior studies to lean on, one meta-analysis does not make a settled fact.
A systematic review pooling existing trial data found that taking caffeine and taurine together led to a moderate improvement in anaerobic capacity (effect size 0.46) compared to either supplement on its own — think better output during high-intensity, short-duration efforts like sprinting or heavy lifting. However, the same analysis found no significant effects on heart rate, blood lactate, or overall athletic performance, meaning the benefit appears specific and narrow. Because this is among the first indexed studies on this pairing and the dose wasn't specified, the finding is intriguing but far from definitive.
Where this fits in the evidence
This is among the first studies we've indexed on Taurine for Improved Anaerobic Capacity — treat it as an early signal until more research accumulates.
The study
- Systematic Review
- 2025-10
- Journal of the International Society of Sports Nutrition
This is a plain-language summary of a research finding, not medical advice. Pillser surfaces research signals to help you decide what's worth investigating — always consult a qualified professional before changing what you take.