🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

1 Tablet(s) Serving Size
120 Servings
Other Combinations Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Total Carbohydrates
1 Gram(s) (1% DV)
Calcium
99 mg (8% DV)
Potassium
131 mg (3% DV)
📊 Market median: 1000.0mg (1115 products) 📚 22 studies (Tier A: 0, B: 9)
This product: 1000mg

Other Ingredients

Cellulose Stearic Acid Magnesium Silicate Magnesium Stearate PEG Polyplasdone Polyvinyl alcohol Titanium Dioxide

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) Gluten Free

Product Information

📋 Directions for Use

Direction: As a dietary supplement, adults take one (1) tablet daily. If necessary increase to two (2) tablets daily, one in the morning and one in the evening, or as directed by a healthcare provider. Daily dosage may vary based on individual needs. Allow one week for best results.

⚠️ Warnings & Precautions

Do not exceed recommended dosage.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, taking medications, including blood thinners, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

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

🧪 Formulation Notes

Glucosamine Sulfate helps to support joint and cartilage health.

No added Sugar, Salt, Yeast, Preservatives or Artificial Flavors.

Joint Health Support

Gluten free

Additional Information

Store at room temperature.

Guaranteed quality Laboratory tested

Product Details

UPC / SKU 7 40985 22215 7
DSLD Entry Date 2021-12-18
Product Type Other Combinations
Form Tablet or Pill
Brand 21st Century
DSLD ID 258450
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
B Glucosamine therapy for treating osteoarthritis
Meta Analysis The Cochrane database of systematic reviews 2005
B Chondroitin for osteoarthritis
Meta Analysis The Cochrane database of systematic reviews 2015
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
B Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritis
Rct The New England journal of medicine 2006
B Oral Glucosamine in the Treatment of Temporomandibular Joint Osteoarthritis: A Systematic Review
Systematic Review International journal of molecular sciences 2023
B Scientific Opinion on glucosamine and joint health
Regulatory Source EFSA Journal 2009
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
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
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
View all evidence for Glucosamine →

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