1 Product identity
Ingredient risk
1 ingredient to use with caution
Prebiotic GOS
BrandGNC→Fiber and Other Nutrients Other (e.g. tea bag) 12 ingredients 1 caution DSLD #219246Net contents: 60 Caplet(s)
Target: Adults and Children 4 years and above
DSLD entry: 2020-05-22
2 Ingredients (12)
IngredientGroupSafety
BiMuno B-GOS GalactooligosaccharidesGalactooligosaccharides—
LactoseLactose—
Microcrystalline CelluloseCellulose—
GlucoseGlucose—
HydroxypropylcelluloseHypromellose—
GalactoseGalactose—
Stearic AcidStearic Acid—
Polyethylene GlycolPolyethylene glycol—
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
Calcium — Conditionally Safe
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Sodium — Limited Evidence
⚠ Hypertension
⚠ Fluid retention
Silicon — Generally Safe
⚠ Very low toxicity
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
4 Label claims
• All Other
• Structure/Function
5 Data source
DSLD ID219246
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2020-05-22
6 More from GNC
View GNC Safety Scorecard → 42 products
Activated Charcoal 520 mgBiotin 5000 mcgBiotin 5000 mcgBiotin 5000 mcg BerryBiotin 600 mcgCalcium 600 mg7 Cite this page
Vancouver
Pkhakadze G. Prebiotic GOS — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 24]. Available from: https://supplement.ge/products/prebiotic-gos-219246/
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