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Extra Strength Glucosamine & Chondroitin

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 17% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Glucosamine and chondroitin are commonly used to support joint health and cartilage maintenance. Research indicates a moderate level of evidence for their effectiveness in managing joint discomfort. These ingredients are generally well-tolerated and maintain a high safety profile for most users.

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

Label

Product Label

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

Label Data

2 Tablet(s)
Serving Size
77
Servings
Non-Nutrient/Non-Botanical
Product Type
17%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
10 {Calories}
Total Carbohydrates
2 g (1% DV)
Sodium
110 mg (4% DV)
Potassium
245 mg (6% DV)
Market median: 600.0mg (79 products) 25 studies (A:0, B:6)

Other Ingredients

Cellulose Stearic Acid Silica Magnesium Stearate
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.

Warnings & Precautions

CAUTION: PLEASE DISCARD THE INEDIBLE FRESHNESS PACKET ENCLOSED.

Due to size of tablet, take with 8 oz. of water or other beverage. As an alternative, NOW(R) also offers Glucosamine and Chondroitin in capsule, powder and liquid form.

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

Formulation Notes

Contains no yeast, wheat, gluten, corn, soy, milk, sugar, preservatives or artificial colors.

Additional Information

Bonus 35 Free

ACTUAL SIZE

Glucosamine & Chondroitin are naturally occurring structural components that have recently enjoyed growing popularity. Glucosamine is an amino sugar derived from the chitin of shellfish and is used by the body to support healthy joint structures. Chondroitin complements Glucosamine and works synergistically to provide optimal nutritional support.* Look for this and other fine NOW(R) products in health food stores nationwide.

Made in the U.S.A.

35th Anniversary

35th Anniversary

Good Manufacturing Practices GMP NNfA

Joint Support Factors*

120 + 35 Free Tablets

This seal certifies that the manufacturer of this product uses quality systems and procedures that comply with NNFA’s Dietary Supplement GMP standards. The quality of individual ingredients, however, has not been certified.

CODE 9571

Metadata

Product Details

DSLD Entry Date2012-12-21
Product TypeNon-Nutrient/Non-Botanical
FormTablet or Pill
BrandNOW
DSLD ID13133
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.