Glucosamine Sulfate 500 mg by Douglas Cooper Co. — Ingredients, Evidence & Safety

Product Label

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Label Data

1 Capsule(s) Serving Size

100 Servings

Non-Nutrient/Non-Botanical Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Glucosamine Sulfate Potassium Salt

500 mg

📊 Market median: 1000.0mg (1115 products) 📚 22 studies (Tier A: 0, B: 9)

This product: 500mg

Other Ingredients

Gelatin Cellulose Magnesium Stearate

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (100% of products) Structure/Function (89% of products) Nutrient (16% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Suggested Use As a dietary supplement, one capsule, three times daily.

⚠️ Warnings & Precautions

Keep out of reach of children

Warning: Do not take if you are allergic to shellfish, pregnant or lactating women, or anyone taking medication should consult a health care practitioner before taking this product.

Fat soluble Vitamins (A, D, E and K) essential fatty acids, as well as medications should be taken 4 hours before of after ingesting Chitosan.

🧪 Formulation Notes

Combining experience with a commitment to excellence, the unsurpassed quality of this and all Cooper products is assured by rigid quality control and conformance to highest standard of purity.

Additional Information

Store in a dry place at room temperature (59 degrees - 86 degrees F/15 degrees - 30 degrees C)

Douglas Cooper Co. "Trace Minerals Make the Difference" Since 1950

Product Details

DSLD Entry Date 2021-05-22

Product Type Non-Nutrient/Non-Botanical

Form Capsule

Brand Douglas Cooper Co.

DSLD ID 247352

Data Updated 2026-04-11

Research Evidence

39 Research Sources

50 Avg Quality Score

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 Cochrane

B Glucosamine therapy for treating osteoarthritis

Meta Analysis The Cochrane database of systematic reviews 2005

PubMed Cochrane

B Chondroitin for osteoarthritis

Meta Analysis The Cochrane database of systematic reviews 2015

PubMed DOI Cochrane

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 →