1 Product identity

Ingredient risk

2 ingredients to use with caution

Calcium 600 mg

Name: Calcium 600 mg
Brand: Kirkland Signature

BrandKirkland Signature→Single Vitamin and Mineral Tablet or Pill 12 ingredients 2 caution DSLD #272800

Net contents: 500 Tablet(s)

Target: Adults and Children 4 years and above

DSLD entry: 2022-07-21

2 Ingredients (12)

IngredientGroupSafety

Vitamin D3Vitamin D (cholecalciferol)Use with Caution

CalciumCalciumConditionally Safe

Calcium CarbonateCalciumConditionally Safe

Cellulose GelCellulose Gel—

MaltodextrinMaltodextrin—

Croscarmellose SodiumCroscarmellose Sodium—

HypromelloseHypromellose—

Magnesium StearateMagnesiumUse with Caution

Polyethylene GlycolPolyethylene glycol—

GelatinGelatin—

Corn StarchStarch—

Vitamin D3Vitamin DUse with Caution

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

Sodium — Limited Evidence

⚠ Hypertension

⚠ Fluid retention

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

4 Label claims

• Nutrient

• All Other

• Approved Health

• Structure/Function

5 Data source

DSLD ID272800

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2022-07-21

6 More from Kirkland Signature

View Kirkland Signature Safety Scorecard → 18 products

B12 5000 mcg Cherry Flavor C 250 mg Tangerine Calcium 600 mg + D3 Calcium 600 mg with Vitamin D3 Calcium Citrate with 500 mg of Calcium Chewable C 500 mg Tangy Orange Taste

7 Cite this page

Vancouver

Pkhakadze G. Calcium 600 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 25]. Available from: https://supplement.ge/products/dsld-272800/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

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