N-Acetyl Cysteine

product on market Tablet or Pill Nature's Sunshine 🟢 Safety: 100/100
Brand: Nature's Sunshine
🟢 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

📄 Open Full PDF View on NIH DSLD →
📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

1 Tablet(s) Serving Size
60 Servings
Non-Nutrient/Non-Botanical 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

Other Ingredients

Dicalcium Phosphate Cellulose Magnesium Stearate Stearic Acid Silicon Dioxide Turmeric

Label Claims — Verification

❓ 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)

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

Product Details

UPC / SKU 0 99904 00509 9
DSLD Entry Date 2022-10-24
Product Type Non-Nutrient/Non-Botanical
Form Tablet or Pill
Brand Nature's Sunshine
DSLD ID 278177
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 →

Compare Similar Products

NAC Renew Nutri-West 100
NAC 1,000 mg LuckyVitamin 100
N-Acetyl Cysteine 600 mg Source Naturals 100
N-Acetyl Cysteine 600 mg Source Naturals 100
NAC N-Acetyl-L-Cysteine
NAC N-Acetyl-L-Cysteine Allergy Research Group 100
View all Nac products →
Nac research & evidence Best Nac rankings All Nac products More from Nature's Sunshine View on NIH DSLD →