How much does the best Vitamin A status supplement cost?

NOW Foods, Cod Liver Oil, 650 mg, 250 Softgels works out at $0.05 per serving. $0.05 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.04 per serving.

Does DoseRank get paid to rank a product first?

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

The short answer · Vitamin A status

Take retinyl palmitate & cod liver oil for vitamin a status. This is the one to buy.

NOW Foods, Cod Liver Oil, 650 mg, 250 Softgels

4.7· 2,767 ratings· $0.05/serving

DoseRank score94

Retinyl Palmitate 750 mcg (calculated) — inside the studied 700-3000 mcg window

Of 2,371 products scored for Vitamin A status, NOW Foods, Cod Liver Oil, 650 mg, 250 Softgels ranks #1 with a DoseRank score of 94. Retinyl Palmitate and Cod Liver Oil are the strongest evidence signals for this outcome.

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Cheaper alternative$0.04 per servingNatural Factors, Vitamin A, 3,000 mcg (10,000 IU), 180 Softgels

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Retinyl Palmitate & Cod Liver Oil?”

Retinyl Palmitate and Cod Liver Oil are the strongest evidence signals for this outcome.

Retinyl PalmitateThe pick
Strong evidence · 750 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.
Cod Liver OilThe pick
Strong evidence · 650 mg
Whole oil from cod livers providing EPA, DHA, plus naturally occurring vitamins A and D; the vitamin A content caps high-dose use, unlike plain fish body oil.
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.

Buy the #1 pick

The dose“Is the dose actually effective?”

2 of 2 dosed ingredients land in the studied range. Retinyl Palmitate at 750 mcg (calculated) lands inside the studied 700-3000 mcg window.

Retinyl Palmitate

Studied window 700-3000 mcg · this pick 750 mcg (calculated)

Cod Liver Oil

Studied window 500-3000 mg · this pick 650 mg

6.8 mcg

The ranking“Why should I trust this pick?”

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.

2,371 products scored
Never paid placement
Evidence level: Strong · 92
281 brands
10 ingredients

See the full analysis — every score, every product How the ranking works

The price“Can I do better than $0.05 a serving?”

$0.05 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.04 per serving.

3
NOW Foods, Vitamin A, 3,000 mcg (10,000 IU), 100 SoftgelsScore 88 · $0.04/serving
iHerb
10
Swanson Vitamins, Vitamin A, 10,000 IU (3,000 mcg RAE), 250 SoftgelsScore 87 · $0.04/serving
iHerb

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 $0.05 a serving.

NOW Foods, Cod Liver Oil, 650 mg, 250 Softgels — in stock at a tracked retailer.

View on iHerb

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Questions

Frequently asked

NOW Foods, Cod Liver Oil, 650 mg, 250 Softgels ranks #1 for Vitamin A status with a DoseRank score of 94. The score blends clinical strength, evidence, dose fit, trust signals and value across 2,371 products scored for this outcome.

Frequently asked