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DOSERANKEVIDENCE-BASED SUPPLEMENTSFull analysis

The short answer · Precancerous lesion progression

Take niacinamide for precancerous lesion progression. This is the one to buy.

NOW Foods, Niacinamide, 500 mg, 100 Veg Capsules
1

NOW Foods, Niacinamide, 500 mg, 100 Veg Capsules

4.7· 11,565 ratings· $0.08/serving

DoseRank score86

Niacinamide 500 mg — inside the studied 500-1000 mg window

Of 1,930 products scored for Precancerous lesion progression, NOW Foods, Niacinamide, 500 mg, 100 Veg Capsules ranks #1 with a DoseRank score of 86. Niacinamide is the strongest evidence signal for this outcome.

View on iHerb— $0.08/sv
The form“Why Niacinamide?”Evidence Strong evidence

Niacinamide is the strongest evidence signal for this outcome.

  • NiacinamideThe pick

    Strong evidence · 500 mg

    Non-flushing form of vitamin B3; serves as a NAD+ precursor for energy metabolism and DNA repair, and is preferred over niacin when avoiding flush.

Buy the #1 pick
The dose“Is the dose actually effective?”Dose fit 67

Niacinamide at 500 mg lands inside the studied 500-1000 mg window.

Niacinamide

Questions

Frequently asked

NOW Foods, Niacinamide, 500 mg, 100 Veg Capsules ranks #1 for Precancerous lesion progression with a DoseRank score of 86. The score blends clinical strength, evidence, dose fit, trust signals and value across 1,930 products scored for this outcome.

Niacinamide is the strongest evidence signal for this outcome.

Niacinamide at 500 mg lands inside the studied 500-1000 mg window. DoseRank scores this product's dose fit at 67 out of 100.

NOW Foods, Niacinamide, 500 mg, 100 Veg Capsules works out at $0.08 per serving. $0.08 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.05 per serving.

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.

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Other outcomes

  • Tumor progressionGrowth or spread of benign or malignant neoplastic disease.

Use rankings as research support

DoseRank rankings are informational and not medical advice. If you are pregnant, breastfeeding, using medications, or managing a health condition, ask a qualified clinician whether a supplement fits your situation. Stop use and report concerning adverse events to a clinician, the product maker, or the retailer.

Disclosure

Retailer links may be affiliate links. Rankings and placement are not paid placement.

NOW Foods, Niacinamide, 500 mg, 100 Veg Capsules

$0.08/serving · ★ 4.7 · In stock

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Cheaper alternative$0.05 per serving21st Century, Niacinamide, Prolonged Release , 110 Tablets

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

Studied window 500-1000 mg · this pick 500 mg

The ranking“Why should I trust this pick?”Trust 93

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.

  • 1,930 products scored
  • Never paid placement
  • Evidence level: Strong · 92
  • 230 brands
  • 4 ingredients
See the full analysis — every score, every productHow the ranking works
The price“Can I do better than $0.08 a serving?”Value 87

$0.08 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.05 per serving.

  • 2
    21st Century, Niacinamide, Prolonged Release , 110 TabletsScore 86 · $0.05/serving
    iHerb
  • 9
    Nutricost, Niacinamide, 500 mg, 240 CapsulesScore 85 · $0.06/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 $0.08 a serving.

NOW Foods, Niacinamide, 500 mg, 100 Veg Capsules — in stock at a tracked retailer.

View on iHerb
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