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Scored forOutcome alternatives
21st Century120 count • 120 servingsAvailable now$5.22$0.04 / serving4.7 · 24,664 ratings166 / day
18Category leader
#1 of 151 ranked for exercise capacityThis product sets the leader mark
Why this ranks #1 for exercise capacityBecause it wins
- Evidence fitFerrous Sulfate is the strongest evidence signal for this outcome.
- Dose fitFerrous Sulfate at 65 mg lands inside the studied 65-200 mg window.
- Price / serving$0.04 per serving — low price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
Trade-offsDose fit is the weak spot on this listEvidence depth trails the rest of this list
The numbers · Exercise capacityWhat's inside
18
19
67
99
65 mgIn rangeinside the studied 65-200 mg window
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