TriFlex

product on market Other (e.g. tea bag) GNC Mega Men Safety: 100/100
100/100

This product looks safe

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

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Glucosamine, chondroitin, and MSM are commonly used to support joint health, though research evidence for their efficacy remains mixed to moderate. Vitamin C provides antioxidant support and is essential for collagen synthesis. The overall evidence coverage for this specific ingredient combination is limited.

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

Label

Product Label

Label for TriFlex
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

Vitamin C
30 mg (33% DV)
Sodium
165 mg (7% 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)
MSM
900 mg
Market median: 1000.0mg (2 products)
Market median: 100.0mg (173 products)

Other Ingredients

Microcrystalline Cellulose Hydroxypropyl Methylcellulose Crospovidone Croscarmellose Sodium Polysorbate 80 Stearic Acid Titanium Dioxide Magnesium Stearate Vegetable Acetoglycerides Polyethylene Glycol Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take the contents of one pack daily with food.

Warnings & Precautions

Contains: Crustaceans (Shrimp).

Warning: Cancer and reproductive harm - www.P65Warnings.ca.gov.

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. Inform your physician of this product's biotin content before any lab test.

Keep out of reach of children.

Formulation Notes

Each pack contains: TriFlex

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

No artificial flavors, no wheat, gluten free, no dairy.

In a randomized, double-blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blend for six weeks experienced significant improvements in serum levels of certain key nutrients compared to a placebo and leading multivitamin formula based upon multivariate statistical analyses of a group of B vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotin, folic acid and vitamins B-6 and B-12) and key antioxidants and carotenoids (a group of beta-carotene, alpha-tocopherol, selenium, lutein and lycopene). Statistical improvements in SF-36 Vitality and Mental Health scores were also observed compared to placebo.

Vitapak program with clinically studied multivitamin blend

Joint health Heart health Energy production Antioxidants Clinically study

Achieve your daily nutritional goals with customized ingredients plus multivitamins that have more antioxidant power than ever, contain over 30 clinically studied ingredients - and are smaller and easier to swallow.

Men's health Contains a clinically studied multivitamin blend shown to work better than a basic multivitamin.

Joint Health Features the clinically studied dose of glucosamine and chondroitin, which supports joint comfort and helps maintain joint function. Also has EPA, which supports the body's natural anti-inflammatory response.

Antioxidants Helps fight free radicals produced during your workout

Additional Information

Store in a cool, dry place.

For more information: 1-888-462-2548

30-day supply Joint

Metadata

Product Details

DSLD Entry Date2020-06-24
Product TypeOther Combinations
FormOther (e.g. tea bag)
DSLD ID219869
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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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.