🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 36% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Caplet(s) Serving Size
40 Servings
Other Combinations Product Type
36% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
60 mg (67% DV)
50 mcg (250% DV)
📊 3.3× RDA — above typical dose (UL: 0.1 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.05mg UL 0.1mg
2 mg (87% DV)
✅ Within RDA (0.9× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 2mg UL 11mg
Sodium
60 mg (3% DV)
📊 Market median: 1000.0mg (1115 products) 📚 22 studies (Tier A: 0, B: 9)
This product: 1500mg
📊 Market median: 600.0mg (79 products) 📚 24 studies (Tier A: 0, B: 6)
This product: 520mg
📊 Market median: 1000.0mg (2 products)
This product: 390mg
Gelatin, Hydrolyzed
270 mg
📊 Market median: 375.0mg (171 products) 📚 30 studies (Tier A: 1, B: 14)
This product: 100mg
3 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 3mg UL 20mg
📊 Market median: 100.0mg (173 products)
Median 100.0mg This product: 2mg

Other Ingredients

Hydroxypropyl Methylcellulose Croscarmellose Sodium Crospovidone Caramel color Carnauba Wax Corn Starch Crospovidone Ethyl Vanillin Gum Arabic Magnesium Stearate Polyethylene Glycol Povidone Silicon Dioxide Sucrose Talc Titanium Dioxide

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take two (2) caplets daily, preferably after a meal.

⚠️ Warnings & Precautions

Keep out of reach of children.

Contains: crustaceans (shrimp) and soy. Caution: if you are allergic to shellfish, please consult your healthcare professional before taking this product. Contains a bioengineered food ingredient.

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

Supports a healthy joint matrix 40-day supply

Additional Information

Store in a cool, dry place.

For more information: 1-888-462-2548 GNC.com

GNC Quality since 1935

Product Details

UPC / SKU 0 48107 24512 2
DSLD Entry Date 2024-06-20
Product Type Other Combinations
Form Other (e.g. tea bag)
Brand GNC Select
DSLD ID 313697
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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