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Why this ranks #2 for perceived exertion
- Evidence fitCaffeine Anhydrous is the strongest evidence signal for this outcome.
- Dose fitCaffeine Anhydrous at 220 mg lands inside the studied 150-600 mg window.
- Price / serving$0.14 per serving — low 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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