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N-Acetyl Cysteine

product on market Tablet or Pill Nature's Sunshine Safety: 100/100
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 strong evidence supporting its role in supporting respiratory health and detoxifying the liver. Research indicates it is generally well-tolerated and safe for most users.

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

Label

Product Label

Label for N-Acetyl Cysteine
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
60
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)

Other Ingredients

Dicalcium Phosphate Cellulose Magnesium Stearate Stearic Acid Silicon Dioxide Turmeric
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommended Use: Take 1 tablet with a meal twice daily.

Warnings & Precautions

Consult your healthcare practitioner before taking this product if you are pregnant, lactating, or undergoing any treatment for cancer.

Do not use if inner seal is missing or damaged.

Formulation Notes

N-acetyl cysteine, an antioxidant, is used to help detoxify the body of chemicals and pollutants. It provides sulfur groups that support immune function. N-acetyl cysteine also increases levels of glutathione, a powerful free-radical scavenger which may support liver, lung, and eye health.

Immune system support Antioxidant for liver detoxification & eye health

Guaranteed pure

Additional Information

Bottle made from 100% post consumer recycled material. We are committed to you and our planet. Scan to learn more.

New look! Same great product

Metadata

Product Details

UPC / SKU0 99904 00509 9
DSLD Entry Date2022-10-24
Product TypeNon-Nutrient/Non-Botanical
FormTablet or Pill
BrandNature's Sunshine
DSLD ID278177
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.