Home/ Supplements/ Glucosamine/ N-A-G 500 mg

N-A-G 500 mg

product on market Tablet or Pill Source Naturals 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 Glucosamine is researched for its role in supporting joint health and skin hydration. There is moderate evidence suggesting it may help maintain cartilage and improve skin moisture levels. Current data indicates a high safety profile for most users.

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

Label

Product Label

Label for N-A-G 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
120
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)

Other Ingredients

Sorbitol Stearic Acid Silica Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: 1 tablet 1 to 3 tablets daily

Warnings & Precautions

Contains shellfish (shrimp, lobster, and crab).

Warning: If you are pregnant, may become pregnant, breastfeeding, or regularly taking any drug such as acetaminophen, warfarin (Coumadin), or heparin, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing.

Keep out of the reach of children.

Formulation Notes

N-acetyl glucosamine

Connective tissue support

N-A-G, N-acetyl glucosamine, is an amino sugar (the building blocks of mucopolysaccharides). It is formed from L-glutamine and glucose. N-A-G forms the basis of complex molecular structures which are key parts of the connective tissues and mucous membranes of the body - tendons, ligaments, cartilage, bone matrix, skin, joint fluid and intestinal lining.

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Additional Information

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU0 21078 00222 2
DSLD Entry Date2022-09-22
Product TypeNon-Nutrient/Non-Botanical
FormTablet or Pill
DSLD ID272516
Data Updated2026-04-11
Research

Research Evidence

39
Research Sources
50
Avg Quality
20
Rct
9
Meta Analysis
4
Clinical Trial
3
Systematic Review
1
Regulatory Source
1
Openfda Safety
B Interventions for the management of temporomandibular joint osteoarthritis
Systematic Review The Cochrane database of systematic reviews 2012 PubMed DOI
B Glucosamine therapy for treating osteoarthritis
Meta Analysis The Cochrane database of systematic reviews 2005 PubMed
B Chondroitin for osteoarthritis
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
B Efficacy and safety of the combination of glucosamine and chondroitin for knee osteoarthritis: a systematic review and meta-analysis
Meta Analysis Archives of orthopaedic and trauma surgery 2023 PubMed DOI
B Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritis
Rct The New England journal of medicine 2006 PubMed
B Oral Glucosamine in the Treatment of Temporomandibular Joint Osteoarthritis: A Systematic Review
Systematic Review International journal of molecular sciences 2023 PubMed DOI
B Scientific Opinion on glucosamine and joint health
Regulatory Source EFSA Journal 2009 DOI
B Clinical Efficacy and Safety of Chondroitin Combined with Glucosamine in the Treatment of Knee Osteoarthritis: A Systematic Review and Meta-Analysis
Meta Analysis Computational and mathematical methods in medicine 2022 PubMed DOI
B Combined chondroitin sulfate and glucosamine for painful knee osteoarthritis: a multicentre, randomised, double-blind, non-inferiority trial versus celecoxib
Rct Annals of the rheumatic diseases 2016 PubMed DOI
B Effectiveness and safety of glucosamine and chondroitin for the treatment of osteoarthritis: a meta-analysis of randomized controlled trials
Meta Analysis Journal of orthopaedic surgery and research 2018 PubMed DOI
View all evidence for Glucosamine →
Compare

Similar Products

View all Glucosamine products →

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