1 Product identity

Ingredient risk

1 ingredient to use with caution

Vitamin C 500 mg

Name: Vitamin C 500 mg
Brand: GNC

BrandGNC→Single Vitamin and Mineral Other (e.g. tea bag) 13 ingredients 1 caution DSLD #243009

Net contents: 100 Vegetarian Caplet(s)

Target: Adults and Children 4 years and above

DSLD entry: 2021-01-22

2 Ingredients (13)

IngredientGroupSafety

Vitamin CVitamin CGenerally Safe

CalciumCalciumConditionally Safe

Microcrystalline CelluloseCellulose—

Dicalcium PhosphateCalciumConditionally Safe

Rose HipsDog Rose—

Vegetable StearateMagnesium stearateUse with Caution

Hydroxypropyl MethylcelluloseHypromellose—

Stearic AcidStearic Acid—

Croscarmellose SodiumCroscarmellose Sodium—

Magnesium StearateMagnesium stearateUse with Caution

Vegetable AcetoglyceridesGlycerides—

Polyethylene GlycolPolyethylene glycol—

Polysorbate 80Polysorbate—

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].

3 Safety cross-reference

Vitamin C — Generally Safe

⚠ GI distress at high doses

⚠ Kidney stones risk >1g/day

Calcium — Conditionally Safe

⚠ Cardiovascular risk debated >1,000 mg/day

⚠ Kidney stones

Magnesium — Use with Caution

Sodium — Limited Evidence

⚠ Hypertension

⚠ Fluid retention

4 Label claims

• All Other

• Structure/Function

5 Data source

DSLD ID243009

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2021-01-22

6 More from GNC

View GNC Safety Scorecard → 42 products

Activated Charcoal 520 mg Biotin 5000 mcg Biotin 5000 mcg Biotin 5000 mcg Berry Biotin 600 mcg Calcium 600 mg

7 Cite this page

Vancouver

Pkhakadze G. Vitamin C 500 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 24]. Available from: https://supplement.ge/products/vitamin-c-500-mg-243009/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG