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Why this ranks #4 for endurance performance
- Evidence fitCaffeine Anhydrous and Taurine lead the evidence here, backed by L-Carnitine L-Tartrate.
- Dose fit2 of 3 dosed ingredients land in the studied range. Caffeine Anhydrous at 200 mg lands inside the studied 200-600 mg window.
- Price / serving$1.01 per serving — high price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustMixed trust signals — ratings are positive but the base is limited.
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