Premier Research Labs Premier NAC, 60 Capsules supplement bottle
Premier Research Labs

Premier NAC, 60 Capsules

What We Researched
2 active ingredients analyzed · 1 inactive ingredient decoded · 2 retailers compared · Last updated: Mar 2026
62
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
N-Acetyl-Cysteine (NAC) 300 mg *
NAC Excel Blend™Organic Turmeric (rhizome) (Curcuma longa), Organic Milk Thistle (seed) (Silybum marianum), Green Tea (leaf) Extract (Camellia sinensis) 228 mg *
Bioavailability Fair

Absorption Rating

  • N-Acetyl-Cysteine (NAC) Good
  • NAC Excel Blend™Organic Turmeric (rhizome) (Curcuma longa), Organic Milk Thistle (seed) (Silybum marianum), Green Tea (leaf) Extract (Camellia sinensis) Poor
Other Ingredients Excellent

Fillers & Additives

  • Plant-source capsule (cellulose, water)
Efficacy Very Poor

Dosage Analysis

  • N-Acetyl-Cysteine (NAC) 300 mg Under-dosed
  • NAC Excel Blend™Organic Turmeric (rhizome) (Curcuma longa), Organic Milk Thistle (seed) (Silybum marianum), Green Tea (leaf) Extract (Camellia sinensis) 228 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
N-Acetyl-Cysteine (NAC) 300 mg *
NAC Excel Blend™Organic Turmeric (rhizome) (Curcuma longa), Organic Milk Thistle (seed) (Silybum marianum), Green Tea (leaf) Extract (Camellia sinensis) 228 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$26$25$24$23$22 Mar 12 $23.94
Vitacost

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

Brand Trust Report
Premier Research Labs

· Austin, Texas, USA · 29 products · prlabs.com

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Premier Research Labs Premier NAC, 60 Capsules a good supplement?

Premier Research Labs Premier NAC, 60 Capsules received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients with 60 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Premier Research Labs, holds a brand trust score of 62/100.

What are the ingredients in Premier Research Labs Premier NAC, 60 Capsules?

Premier Research Labs Premier NAC, 60 Capsules contains 2 active ingredients: N-Acetyl-Cysteine (NAC) (300 mg), NAC Excel Blend™Organic Turmeric (rhizome) (Curcuma longa), Organic Milk Thistle (seed) (Silybum marianum), Green Tea (leaf) Extract (Camellia sinensis) (228 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Premier Research Labs Premier NAC, 60 Capsules safe to take?

Premier Research Labs Premier NAC, 60 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Premier Research Labs a trustworthy supplement brand?

Premier Research Labs receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 29 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.