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Scored forOutcome alternatives
Swanson Vitamins250 count • 250 servingsAvailable now$10.88$0.04 / serving4.8 · 3,109 ratings
87−1 pts from leader
#11 of 1669 ranked for night vision or dark adaptationLeader · NOW Foods, NOW Foods, Vitamin A, 3,000 mcg (10,000 IU), 100 Softgels — 88
Why this ranks #11 for night vision or dark adaptation
- Evidence fitRetinyl Palmitate is the strongest evidence signal for this outcome.
- Dose fitRetinyl Palmitate at 1500 mcg (calculated) lands inside the studied 700-1500 mcg 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.
The numbers · Night vision or dark adaptation
87
89
90
99
1500 mcg (calculated)In rangeinside the studied 700-1500 mcg window
1500 mcg
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