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Sustained Release Glucosamine Sulfate

product on market Tablet or Pill NOW Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Glucosamine sulfate is studied for its potential to support joint health and manage osteoarthritis symptoms, though research evidence is considered mixed to moderate. Potassium serves as an essential electrolyte for nerve and muscle function. Overall, clinical evidence for the specific combination in this formulation is limited.

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

Label

Product Label

Label for Sustained Release Glucosamine Sulfate
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
100
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Potassium
360 mg (10% DV)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)

Other Ingredients

Cellulose Stearic Acid Magnesium Stearate Silica Vegetable Coating
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

SUGGESTED USAGE: As a dietary supplement, take 2 tablets daily with meals or on an empty stomach. Consider taking this product in combination with NOW(R) Chondroitin, Celadrin(R) and D-Flame(TM).

Warnings & Precautions

Do Not Eat Freshness Packet. Keep in Bottle.

Warning: Persons with a known allergy to shellfish should not use this product.

Formulation Notes

Contains shellfish (crab, shrimp, lobster, crayfish) derivative.

Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg or preservatives.

Additional Information

Glucosamine is an amino sugar derived from the chitin of shellfish. It is utilized by the body to support healthy joint structures.*

NOW Foods developed the glucosamine test method chosen as the official AOACI industry standard method.

Store in a cool, dry place.

Please Recycle.

ACTUAL SIZE

JOINT HEALTH High Potency - 1,100 mg/tablet • Supports Healthy Joint Function*

GMP QUALITY ASSURED

Made in the U.S.A.

This product is designed to gradually release over a 4-hour period.

CODE 3224B V3

Metadata

Product Details

UPC / SKU7 33739 03224 9
DSLD Entry Date2012-10-25
Product TypeOther Combinations
FormTablet or Pill
BrandNOW
DSLD ID14699
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.