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Scored forOutcome alternatives
Natural Factors30 count • 30 servingsAvailable now$11.33$0.38 / serving4.7 · 5,148 ratings
81−6 pts from leader
#66 of 920 ranked for macular pigment optical densityLeader · Nutricost, Nutricost, Zeaxanthin with Lutein, 120 Softgels — 87
Why this ranks #66 for macular pigment optical density
- Evidence fitLutein and Zeaxanthin are the strongest evidence signals for this outcome.
- Dose fit1 of 2 dosed ingredients land in the studied range. Lutein at 40 mg is higher than the studied 10-20 mg window.
- Price / serving$0.38 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
The numbers · Macular pigment optical density
81
89
93
93
40 mgAbove rangehigher than the studied 10-20 mg window
7 mgIn rangeinside the studied 2-10 mg window
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