1 Product identity
Ingredient risk
No flagged ingredients
C 1000 mg
Brand21st Century→Single Vitamin and Mineral Tablet or Pill 6 ingredients DSLD #233660Net contents: 60 Tablet(s)
Target: Adults and Children 4 years and above
DSLD entry: 2020-09-25
2 Ingredients (6)
IngredientGroupSafety
CelluloseCellulose—
Stearic AcidStearic Acid—
Hydroxypropyl MethylcelluloseHypromellose—
Contains Less Than 2% ofBlend—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
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
4 Label claims
• Nutrient
• All Other
• Structure/Function
5 Data source
DSLD ID233660
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2020-09-25
6 More from 21st Century
View 21st Century Safety Scorecard → 179 products
600 + D3 plus Minerals600 Calcium Supplement600+D3600+D3600+D3Acai 1000 mg7 Cite this page
Vancouver
Pkhakadze G. C 1000 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 16]. Available from: https://supplement.ge/products/c-1000-mg-233660/
CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.
GP
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
Publisher: PHIG