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Glucosamine Plus Extra Strength

product on market Capsule Douglas Laboratories 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

Glucosamine sulfate and chondroitin sulfate are researched for their role in supporting joint cartilage and reducing joint discomfort. Clinical evidence for these ingredients is generally considered moderate, though results vary across different populations. These components are typically well-tolerated when used as directed.

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

Label

Product Label

Label for Glucosamine Plus Extra Strength
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetarian Capsule(s)
Serving Size
90
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)
Market median: 600.0mg (79 products) 25 studies (A:0, B:6)

Other Ingredients

Hydroxypropyl Methylcellulose Ascorbyl Palmitate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested usage: As a dietary supplement, adults take 1 capsule, 3 times daily or as directed by a health professional.

Warnings & Precautions

Warning: If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.

Keep out of the reach of children.

Contains: Shellfish (crab, shrimp)

Formulation Notes

Gluten-free, Non-Gmo

Joint health Individual results may vary

Additional Information

Store in a cool, dry place. Use only if safety seal is intact.

Scan to learn about our manufacturing excellence Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.

Metadata

Product Details

UPC / SKU7 45287 20022 3
DSLD Entry Date2024-06-20
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
BrandDouglas Laboratories
DSLD ID302510
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 →
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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.