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Flex RX

product on market Capsule IronMagLabs Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Glucosamine and chondroitin sulfate are commonly used to support joint health, with moderate evidence suggesting they may reduce joint pain. MSM is often included to further assist in reducing inflammation. Collectively, these ingredients have a well-documented safety profile for general use.

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

Label

Product Label

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

Label Data

5 Capsule(s)
Serving Size
Non-Nutrient/Non-Botanical
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 600.0mg (79 products) 25 studies (A:0, B:6)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)
MSM
2000 mg
Market median: 1000.0mg (2 products)

Other Ingredients

Gelatin Vegetable Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Five capsules taken daily with meals as a dietary supplement, or as directed by a health care professional.

Warnings & Precautions

Caution: Do not exceed recommended dose.

This product is not intended for persons with allergies to shellfish.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.

ALLERGEN WARNING: MAY CONTAIN SHELLFISH (GLUCOSAMINE).

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Additional Information

3840-1881-200

Joint builder

Store in a cool, dry place

Metadata

Product Details

UPC / SKU0 92617 18811 0
DSLD Entry Date2015-07-24
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
BrandIronMagLabs
DSLD ID47370
Data Updated2026-04-11
Research

Research Evidence

33
Research Sources
48
Avg Quality
21
Rct
10
Meta Analysis
2
Clinical Trial
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 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
C Update on the role of pharmaceutical-grade chondroitin sulfate in the symptomatic management of knee osteoarthritis
Meta Analysis Aging clinical and experimental research 2019 PubMed DOI
C Evaluation of efficacy and safety of glucosamine sulfate, chondroitin sulfate, and their combination regimen in the management of knee osteoarthritis: a systematic review and meta-analysis
Meta Analysis Inflammopharmacology 2024 PubMed DOI
C Does incorporating collagen and chondroitin sulfate matrix in implant surfaces enhance osseointegration? A systematic review and meta-analysis
Meta Analysis International journal of oral and maxillofacial surgery 2018 PubMed DOI
C Effect of glucosamine and chondroitin sulfate in symptomatic knee osteoarthritis: a systematic review and meta-analysis of randomized placebo-controlled trials
Meta Analysis Rheumatology international 2018 PubMed DOI
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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.