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Scored forOutcome alternatives
Irwin Naturals150 count • 75 servingsAvailable now$40.49$0.54 / serving4.3 · 438 ratings
80−7 pts from leader
#64 of 1089 ranked for reaction timeLeader · Nutricost, Nutricost, Caffeine with L-Theanine, 240 Capsules — 87
Why this ranks #64 for reaction time
- Evidence fitCaffeine Anhydrous is the strongest evidence signal for this outcome.
- Dose fitCaffeine Anhydrous at 100 mg lands inside the studied 50-300 mg window.
- Price / serving$0.54 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustMixed trust signals — ratings are positive but the base is limited.
Trade-offsPopularity trails the other picks hereTrust signals sit below the other picks
The numbers · Reaction timeWhat's inside
80
89
71
94
100 mgIn rangeinside the studied 50-300 mg window
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