Premier NAC

product on market Capsule Premier Research Labs 🟢 Safety: 100/100
Brand: Premier Research Labs
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

300 mg
📊 Market median: 600.0mg (7 products) 📚 39 studies (Tier A: 2, B: 13)
This product: 300mg
228 mg
📊 Market median: 600.0mg (7 products) 📚 39 studies (Tier A: 2, B: 13)
This product: 228mg

Other Ingredients

Plant-Source Capsule

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (96% of products) Structure/Function (81% of products) Nutrient (19% of products) No Claim (3% of products)

Target Groups

Adult (18 - 50 Years) Kosher

Product Information

📋 Directions for Use

Suggested use: Take 1 capsule, 2 times daily or as directed by a health professional.

⚠️ Warnings & Precautions

Keep out of reach of children.

Premier detoxification, liver and antioxidant support

Tamper seal: Use only if seal is intact.

Consult your health practitioner if you are pregnant or nursing, taking medication or have a medical condition, before taking this product.

🧪 Formulation Notes

NAC (N-acetyl-cysteine) is a key amino acid derived from l-cysteine.

It is a powerful free radical scavenger which helps replenish glutathione, a critical tripeptide for antioxidant defense. Promotes optimal liver support; has the ability to help chelate heavy metals Supports respiratory health through its beneficial action on mucus secretions

N-Acetyl-Cysteine blend

OU (Kosher)

PRL's Quality Guarantee Identity verified Composition verified Potency verified FDA-monitored cGMP facility

Non-GMO Aflatoxin tested (botanicals) No added mag-nesium Forensic tested for adulterants Heavy metal tested

Additional Information

Store in a cool, dry place.

OU (Kosher)

We are proud to offer many OU Kosher Certified products.

Product Details

UPC / SKU 8 07735 02171 9
DSLD Entry Date 2023-10-24
Product Type Other Combinations
Form Capsule
Brand Premier Research Labs
DSLD ID 297550
Data Updated 2026-04-11

Research Evidence

41 Research Sources
51 Avg Quality Score
19 Rct
13 Meta Analysis
9 Clinical Trial
B N-acetylcysteine as an adjuvant therapy for Helicobacter pylori eradication
Meta Analysis The Cochrane database of systematic reviews 2019
PubMed DOI
B Effect of high-dose N-acetylcysteine on exacerbations and lung function in patients with mild-to-moderate COPD: a double-blind, parallel group, multicentre randomised clinical trial
Rct Nature communications 2024
PubMed DOI
B N-acetylcysteine for non-paracetamol (acetaminophen)-related acute liver failure
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI
B Influence of N-acetylcysteine on chronic bronchitis or COPD exacerbations: a meta-analysis
Meta Analysis European respiratory review : an official journal of the European Respiratory Society 2015
PubMed DOI
B A randomised controlled trial of a mitochondrial therapeutic target for bipolar depression: mitochondrial agents, N-acetylcysteine, and placebo
Rct BMC medicine 2019
PubMed DOI
B Efficacy of N-acetylcysteine for patients with depression: An updated systematic review and meta-analysis
Meta Analysis General hospital psychiatry 2024
PubMed DOI
B Cysteine, cystine or N-acetylcysteine supplementation in parenterally fed neonates
Meta Analysis The Cochrane database of systematic reviews 2006
PubMed
B N-acetylcysteine as an adjunctive treatment for bipolar depression: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Bipolar disorders 2021
PubMed DOI
B N-acetylcysteine as an adjunctive treatment for bipolar depression and major depressive disorder: a systematic review and meta-analysis of double-blind, randomized placebo-controlled trials
Meta Analysis Psychopharmacology 2020
PubMed DOI
B N-acetylcysteine Treatment in Chronic Obstructive Pulmonary Disease (COPD) and Chronic Bronchitis/Pre-COPD: Distinct Meta-analyses
Meta Analysis Archivos de bronconeumologia 2024
PubMed DOI
View all evidence for Nac →

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