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Fast-Acting

product on market Other (e.g. tea bag) GNC TriFlex 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 are commonly used to support joint health, though evidence for their efficacy is mixed. Turmeric and Boswellia serrata demonstrate moderate evidence for reducing inflammation and joint discomfort. These ingredients are generally well-tolerated, contributing to a high safety profile for most users.

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

Label

Product Label

Label for Fast-Acting
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Caplet(s)
Serving Size
60
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Sodium
130 mg (6% DV)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)
Market median: 600.0mg (79 products) 25 studies (A:0, B:6)
Market median: 450.0mg (254 products) 243 studies (A:0, B:100)
Market median: 375.0mg (171 products) 31 studies (A:1, B:14)
MSM
50 mg
Market median: 1000.0mg (2 products)

Other Ingredients

Microcrystaline Cellulose Hydroxypropyl Methylcellulose Croscarmellose Sodium Crospovidone Magnesium Stearate Titanium Dioxide Silicon Dioxide Polyethylene Glycol Talc Riboflavin
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take two caplets twice daily, preferably with meals.

Warnings & Precautions

Keep out of reach of children.

Contains: Crustaceans (Shrimp).

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Discontinue use two weeks prior to surgery.

Formulation Notes

Improves joint comfort & stiffness in as few as 5 days

Clinical-strength doses of glucosamine/chondroitin & boswellia - plus turmeric 60-Day Supply

No sugar, no starch, no artificial flavors, no preservatives, no wheat, gluten free, no corn, no soy, no dairy.

Additional Information

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU0 48107 17406 4
DSLD Entry Date2021-02-25
Product TypeOther Combinations
FormOther (e.g. tea bag)
BrandGNC TriFlex
DSLD ID243612
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.