Home/ Supplements/ Vitamin C/ GSX Formula

GSX Formula

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 57% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C, B6, and zinc provide moderate evidence for supporting immune function and antioxidant activity. Glucosamine and chondroitin sulfate are researched for joint health, though clinical evidence for their efficacy remains mixed. Overall, these ingredients are generally recognized as safe for most adults.

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

Label

Product Label

Label for GSX Formula
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
57%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
500 mg (833% DV)
25 mg (1250% DV)
19.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
15 mg (100% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)
Market median: 600.0mg (79 products) 25 studies (A:0, B:6)
140 mg
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews
Sea Cucumber
100 mg

Other Ingredients

Kosher Vegetable Capsules Vegetable Cellulose Vegetable Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take three capsules daily, preferably with a meal or as directed by a healthcare practitioner.

Warnings & Precautions

Contains: Crustacean shellfish (crab, lobster, shrimp)

Formulation Notes

Designed with high potency glucosamine sulfate, chondroitin sulfate from bovine cartilage, sea cucumber, pure vitamin C from L-ascorbic acid, vitamin B6, zinc picolinate and pineapple bromelain.

Glucosamine Sulfate Complex

PureFlex

Contains: Crustacean shellfish (crab, lobster, shrimp)

Free of milk, egg, fish, tree nuts, peanuts, wheat and soybeans. Also free of yeast, gluten, barley, rice and sugar.

Additional Information

Available in easy-to-swallow vegetable capsules for maximum assimilation and absorption

1116C

Bone, joint and ligament

Gluten free

Minerals are shown in their elemental value.

Metadata

Product Details

UPC / SKU7 43715 01116 8
DSLD Entry Date2018-07-25
Product TypeOther Combinations
FormCapsule
DSLD ID179170
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 →
Compare

Similar Products

View all Vitamin C products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.