GNC Preventive Nutrition NMN supplement bottle
What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
62
Product Score Fair
59
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Beta-Nicotinamide Mononucleotide 150 mg
Bioavailability Fair

Absorption Rating

  • Beta-Nicotinamide Mononucleotide Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Hydroxypropyl Methylcellulose
  • Magnesium Stearate
  • Silicon Dioxide
Efficacy Very Poor

Dosage Analysis

  • Beta-Nicotinamide Mononucleotide 150 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Beta-Nicotinamide Mononucleotide 150 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$49$48$47$46$45 Mar 12 $46.99
GNC

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
GNC Preventive Nutrition

Founded 1935 · Pittsburgh, Pennsylvania, USA · 53 products · gnc.com

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Claimed
Related Supplements
Frequently Asked Questions
Is GNC Preventive Nutrition NMN a good supplement?

GNC Preventive Nutrition NMN received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 60 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, GNC Preventive Nutrition, holds a brand trust score of 59/100.

What are the ingredients in GNC Preventive Nutrition NMN?

GNC Preventive Nutrition NMN contains 1 active ingredients: Beta-Nicotinamide Mononucleotide (150 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Preventive Nutrition NMN safe to take?

GNC Preventive Nutrition NMN has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is GNC Preventive Nutrition a trustworthy supplement brand?

GNC Preventive Nutrition receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 53 products in their lineup.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.