1 Product identity
Ingredient risk
No flagged ingredients

Poly C

BrandUSANABotanical with Nutrients Tablet or Pill 9 ingredients DSLD #12946
Target: Adults and Children 4 years and above
DSLD entry: 2012-10-01
2 Ingredients (9)
IngredientGroupSafety
Vitamin CVitamin CGenerally Safe
CITRUS BIOFLAVONOIDSFlavonoid (mixture)
RutinRutin
QUERCETINQuercetinConditionally Safe
Microcrystalline CelluloseCellulose
pregelatinized StarchPregelatinized starch
Ascorbyl PalmitateVitamin CGenerally Safe
Hydroxypropyl MethylcelluloseHypromellose
Silicon Dioxide, ColloidalSiliconGenerally Safe
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
Quercetin — Conditionally Safe
⚠ Inhibits CYP3A4
⚠ Affects cyclosporine levels
Silicon — Generally Safe
⚠ Very low toxicity
4 Label claims
• All Other
• Structure/Function
5 Data source
DSLD ID12946
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2012-10-01
6 More from USANA
View USANA Safety Scorecard → 7 products
Active CalciumBabyCare Prenatal Chelated MineralBabyCare Prenatal Mega AntioxidantEstroProMega AntioxidantProflavanol C 200
7 Cite this page
Vancouver
Pkhakadze G. Poly C — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 27]. Available from: https://supplement.ge/products/poly-c-12946/
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
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