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Endur-Flex

product on market Tablet or Pill Endurance Products Company Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Glucosamine and chondroitin are commonly used to support joint health and manage symptoms of osteoarthritis. Research provides moderate evidence that these ingredients may help maintain cartilage integrity. However, overall evidence coverage for this specific formulation is very limited.

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

Label

Product Label

Label for Endur-Flex
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

500 mg
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)
200 mg
Market median: 600.0mg (79 products) 25 studies (A:0, B:6)

Other Ingredients

Stearic Acid Vegetable Wax Magnesium Stearate Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Take three (3) tablets daily. For best results take one (1) tablet with each meal.

Warnings & Precautions

Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking any medications, or are pregnant or nursing.

Keep out of reach of children.

Formulation Notes

Glucosamine chondroitin

Additional Information

Store in a cool, dry place.

Do not use if seal is broken or missing. It is normal for this product to have a distinctive botanical aroma.

Sustained release

Promotes joint health and healthy cartilage

500mg/200mg

18002

Metadata

Product Details

UPC / SKU7 29135 18002 8
DSLD Entry Date2018-07-25
Product TypeNon-Nutrient/Non-Botanical
FormTablet or Pill
BrandEndurance Products Company
DSLD ID177823
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.