1 Product identity
Ingredient risk
2 ingredients to use with caution
Oyster Shell Calcium 500 mg With Vitamin D
BrandCVS Health→Single Vitamin and Mineral Other (e.g. tea bag) 13 ingredients 2 caution DSLD #82475Net contents: 300 Caplet(s)
Target: Adults and Children 4 years and above
DSLD entry: 2018-02-23
2 Ingredients (13)
IngredientGroupSafety
MaltodextrinMaltodextrin—
CelluloseCellulose—
Mineral OilMineral Oil—
HypromelloseHypromellose—
Polyethylene GlycolPolyethylene glycol—
Carnauba WaxCarnauba wax—
Stearic AcidStearic Acid—
CrospovidoneCrospovidone—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⚠️ Use with caution — restricted in some markets
Vitamin D — Granulomatous diseases (sarcoidosis, TB) — unregulated extra-renal CYP27B1 can cause life-threatening hypercalcemia even at standard doses [2][21]
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 D — Use with Caution
⚠ Hypercalcemia at >10,000 IU/day
⚠ Vascular calcification risk
Calcium — Conditionally Safe
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
4 Label claims
• Nutrient
• All Other
• Structure/Function
5 Data source
DSLD ID82475
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2018-02-23
6 More from CVS Health
View CVS Health Safety Scorecard → 37 products
AcidophilusB1 100 mgBiotin 5000 mcgCalcium 600 mg & Vitamin D3Calcium 600 mg & Vitamin D3Calcium 600 mg & Vitamin D37 Cite this page
Vancouver
Pkhakadze G. Oyster Shell Calcium 500 mg With Vitamin D — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 24]. Available from: https://supplement.ge/products/oyster-shell-calcium-500-mg-with-vitamin-d-82475/
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