Home/ Supplements/ Nac/ N-Acetyl L-Cysteine (NAC)

N-Acetyl L-Cysteine (NAC)

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100/100

This product looks safe

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

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

N-Acetyl Cysteine serves as a precursor to glutathione, a key antioxidant involved in cellular protection. There is moderate research evidence supporting its use for respiratory health and detoxification processes. The ingredient is generally well-tolerated with a high safety profile.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for N-Acetyl L-Cysteine (NAC)
Open Full PDF View on NIH DSLD →
Details

Label Data

600 mg
Serving Size
1667
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 600.0mg (7 products) 39 studies (A:2, B:13)
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 600mg (about 1/4 tsp) up to three times daily, or as directed by a physician.

Warnings & Precautions

Always consult a physician before taking any dietary supplement.

Keep out of reach of children.

Formulation Notes

Free of: Added sugar, soy, dairy, yeast, gluten, additives

Additional Information

Store in a dry, cool place

Use an accurate milligram scale. Contents are sold by weight, not volume. Settling may occur. New

Metadata

Product Details

UPC / SKUX000IA23CB
DSLD Entry Date2024-06-20
Product TypeNon-Nutrient/Non-Botanical
FormPowder
DSLD ID311093
Data Updated2026-04-11
Research

Research Evidence

41
Research Sources
51
Avg Quality
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
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.