1 Product identity
Ingredient risk
1 ingredient to use with caution

Shark Cartilage 500 mg

Brand21st CenturyNon-Nutrient/Non-Botanical Capsule 6 ingredients 1 caution DSLD #11582
Net contents: 200 (Easy Swallow) Capsule(s)
Target: Adults and Children 4 years and above
DSLD entry: 2012-07-25
2 Ingredients (6)
IngredientGroupSafety
Pure Shark CartilageCartilage
GelatinGelatin
CelluloseCellulose
Magnesium SilicateMagnesium SilicateUse with Caution
Silicon DioxideSiliconGenerally Safe
Magnesium StearateMagnesium stearateUse with Caution
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
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
Silicon — Generally Safe
⚠ Very low toxicity
4 Label claims
• All Other
• Structure/Function
5 Data source
DSLD ID11582
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2012-07-25
6 More from 21st Century
View 21st Century Safety Scorecard → 179 products
600 + D3 plus Minerals600 Calcium Supplement600+D3600+D3600+D3Acai 1000 mg
7 Cite this page
Vancouver
Pkhakadze G. Shark Cartilage 500 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jul 27]. Available from: https://supplement.ge/products/shark-cartilage-500-mg-11582/
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