🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

1 Caplet(s) Serving Size
Single Vitamin and Mineral Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
500 mg (556% DV)
Calcium
33 mg (3% DV)

Other Ingredients

Microcrystalline Cellulose Dicalcium Phosphate Rose Hips Vegetable Stearate Hydroxypropyl Methylcellulose Stearic Acid Croscarmellose Sodium Magnesium Stearate Vegetable Acetoglycerides Polyethylene Glycol Polysorbate 80

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) Kosher Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take one to four caplets daily.

⚠️ Warnings & Precautions

Keep out of reach of children.

🧪 Formulation Notes

A protective antioxidant that provides immune support

Potency verified by GNC procedure #5027. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

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

Ko Kosher Service

Additional Information

Store in a cool, dry place.

250 servings

Ko Kosher Service

Product Details

UPC / SKU 0 48107 17721 8
DSLD Entry Date 2021-01-22
Product Type Single Vitamin and Mineral
Form Other (e.g. tea bag)
Brand GNC
DSLD ID 243010
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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