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Vitamin C

product on market Tablet or Pill GNC Safety: 100/100
100/100

This product looks safe

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

Product Label

Label for Vitamin C
Open Full PDF View on NIH DSLD →
Details

Label Data

2 White Tablet(s)
Serving Size
30
Servings
Vitamin
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1111% DV)

Other Ingredients

Microcrystalline Cellulose Hydroxypropyl Methylcellulose Silicon Dioxide Stearic Acid Croscarmellose Sodium Magnesium Stearate Glycerin Hydroxypropyl Cellulose
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

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.

Keep out of reach of children.

Formulation Notes

5 ingredients in 1 pack for easy, everyday immune support. That's the GNC difference.

Defend your daily wellness! Includes essential ingredients for premium immune health support, crafted by experts for your: Immune system Features Vitamin C, a powerful antioxidant to support your immune system, and elderberry

Comprehensive, daily support for immune health featuring zinc, Vitamin C, Vitamin D-3, sambucus elderberry, & echinacea

Additional Information

Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements.

5-in-1 pack Zinc Vitamin C Vitamin D-3 Sambucus elderberry Echinacea Value size 30-day supply

Store in a cool, dry place.

For more information: 1-888-462-2548

Metadata

Product Details

DSLD Entry Date2024-08-22
Product TypeVitamin
FormTablet or Pill
BrandGNC
DSLD ID318190
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.