🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

3 Caplet(s) Serving Size
20 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
30 mg (50% DV)
Sodium
130 mg (5% DV)
1500 mg
📊 Market median: 1000.0mg (1115 products) 📚 22 studies (Tier A: 0, B: 9)
This product: 1500mg
📊 Market median: 600.0mg (79 products) 📚 24 studies (Tier A: 0, B: 6)
This product: 1200mg
MSM
900 mg
📊 Market median: 1000.0mg (2 products)
This product: 900mg
📊 Market median: 100.0mg (173 products)
Median 100.0mg This product: 5mg

Other Ingredients

Cellulose Titanium Dioxide Vegetable Acetoglycerides Ascorbic Acid

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)

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take three capsules daily preferably with meals.

⚠️ Warnings & Precautions

CONTAINS: Crustaceans (Shrimp).

KEEP OUT OF REACH OF CHILDREN.

🧪 Formulation Notes

No Sugar, No Starch, No Artificial Colors, No Artificial Flavors, No Preservatives, No Wheat, No Gluten, No Corn, No Soy, No Dairy, Yeast Free.

Additional Information

Store in a cool, dry place.

ACTUAL SIZE

CODE 281312 FLG

Conforms to USP <2091 > for weight. Meets USP <2040> disintegration.

Lot No./Best By:

Maximum strength now with hyaluronic acid Promotes joint mobility & flexibility*

NEW & IMPROVED

Product Details

UPC / SKU 0 48107 09729 5
DSLD Entry Date 2011-10-26
Product Type Other Combinations
Form Unknown
Brand GNC Triflex
DSLD ID 832
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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