Home/ Supplements/ Nac/ N-Acetyl Cysteine 1000 mg

N-Acetyl Cysteine 1000 mg

product on market Capsule Double Wood Supplements 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 is a precursor to glutathione that provides antioxidant support and may assist in respiratory health. There is moderate to strong evidence supporting its role in reducing oxidative stress and managing mucus clearance. The ingredient is generally well-tolerated and maintains a high safety profile.

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

Label

Product Label

Label for N-Acetyl Cysteine 1000 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
105
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

Hypromellose Rice Flour Microcrystalline Cellulose
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 1-2 capsules per day on an empty stomach. Do not exceed 4 capsules in one day.

Warnings & Precautions

Warning: Consult your physician before use.

Do not use N-Acetyl Cysteine if you are pregnant, nursing, or are under 18 years of age.

Do not use N-Acetyl Cysteine if you are pregnant, nursing, or are under 18 years of age.

Discontinue use and consult your doctor immediately if any adverse reactions occur. Do not use N-Acetyl Cysteine and operate heavy machinery until you know how it affects you.

Keep out of reach of children.

Do not exceed 4 capsules per day.

Formulation Notes

Directions: N-Acetyl Cysteine is a precursor of L-Cysteine and promotes L-Cysteine concentrations when taken orally, leading to glutathione production. N-Acetyl Cysteine is often used as a supplement for liver and lung health support as well as for it's antioxidant effects.

Made with Non-GMO ingredients Gluten free

N-Acetyl Cysteine 1000 mg per serving

Supports liver and lung health Supports glutathione production

Additional Information

Storage: Store in a cool, dark place. Do not freeze or expose to moisture or heat above room temperature.

Proudly Made in USA

Metadata

Product Details

UPC / SKU8 59793 00782 2
DSLD Entry Date2021-09-24
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
BrandDouble Wood Supplements
DSLD ID255627
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
View all evidence for Nac →
Compare

Similar Products

N-Acetyl Cysteine 600 mg
Puritan's Pride · Capsule
100
N-Acetyl Cysteine 600 mg
VitaCeutical Labs · Capsule
100
NAC
Metabolic Maintenance · Capsule
100
N-Acetyl Cysteine 600 mg
Vitamer Laboratories · Capsule
100
N-Acetyl Cysteine (NAC) 675 mg
Ormus Minerals · Capsule
100
View all Nac products →
Nac research Best Nac All Nac products More from Double Wood Supplements View on NIH DSLD →

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