The short answer · Night vision or dark adaptation
Take retinyl palmitate for night vision or dark adaptation. This is the one to buy.
NOW Foods, Vitamin A, 3,000 mcg (10,000 IU), 100 Softgels
4.8· 51,755 ratings· $0.04/serving
Retinyl Palmitate 1500 mcg (calculated) — inside the studied 700-1500 mcg window
Of 1,562 products scored for Night vision or dark adaptation, NOW Foods, Vitamin A, 3,000 mcg (10,000 IU), 100 Softgels ranks #1 with a DoseRank score of 88. Retinyl Palmitate is the strongest evidence signal for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Retinyl Palmitate — not Retinyl Acetate or Vitamin A?”Evidence Strong evidence
Retinyl Palmitate is the strongest evidence signal for this outcome.
- Retinyl PalmitateThe pick
Strong evidence · 1500 mcg (calculated)
Ester of preformed vitamin A (retinol) used in supplements and fortified foods; stable and well-absorbed, but high intakes can accumulate to toxic levels.
- Retinyl Acetate
Strong evidence · 700 mcg
Synthetic esterified form of preformed vitamin A used in fortification and supplements; hydrolyzed to retinol after absorption and more stable on the shelf than free retinol.
- Vitamin A
Strong evidence · 3000 mcg
Fat-soluble vitamin essential for vision, immune function, and cell differentiation; preformed retinol accumulates and is toxic in excess.
The dose“Is the dose actually effective?”Dose fit 90
Retinyl Palmitate at 1500 mcg (calculated) lands inside the studied 700-1500 mcg window.
Retinyl Palmitate
Studied window 700-1500 mcg · this pick 1500 mcg (calculated)
The ranking“Why should I trust this pick?”Trust 95
Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 1,562 products scored
- Never paid placement
- Evidence level: Strong · 92
- 230 brands
- 5 ingredients
The price“Can I do better than $0.04 a serving?”Value 94
$0.04 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.04 per serving.
- 8Natural Factors, Vitamin A, 3,000 mcg (10,000 IU), 180 SoftgelsScore 87 · $0.04/servingiHerb
Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.
Ready?
The #1 pick is $0.04 a serving.NOW Foods, Vitamin A, 3,000 mcg (10,000 IU), 100 Softgels — in stock at a tracked retailer.
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NOW Foods, Vitamin A, 3,000 mcg (10,000 IU), 100 Softgels ranks #1 for Night vision or dark adaptation with a DoseRank score of 88. The score blends clinical strength, evidence, dose fit, trust signals and value across 1,562 products scored for this outcome.
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