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Calcium Citrate with 500 mg of Calcium

product on market Tablet or Pill Kirkland Signature Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 62% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Calcium and vitamin D3 have strong evidence for supporting bone density and mineral absorption. Magnesium and zinc provide moderate evidence for supporting metabolic function and immune health, while vitamin B6 aids in enzyme activity. These ingredients are generally recognized as safe for supplementation.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Calcium Citrate with 500 mg of Calcium
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
150
Servings
Multi-Vitamin and Mineral (MVM)
Product Type
62%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

800 IU (200% DV)
1.3× RDA — within safe limits 608 studies (A:16, B:251)
10 mg (500% DV)
7.7× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
Calcium
500 mg (50% DV)
80 mg (20% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)
10 mg (66% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
1 mg (50% DV)
1.1× RDA — within safe limits 37 studies (A:0, B:11)
1 mg (50% DV)
Within RDA (0.4× RDA) 9 studies — no high-quality reviews
1 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews

Other Ingredients

Calcium Citrate Cellulose Magnesium Oxide Croscarmellose Sodium Titanium Dioxide Magnesium Stearate Silicon Dioxide Hypromellose Pyridoxine Hydrochloride Zinc Oxide Sodium Borate Manganese Gluconate Copper Gluconate Gelatin Vitamin D3
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Approved Health
Unverified Structure/Function
Info

Product Information

Directions for Use

SUGGESTED USE: Take two (2) tablets daily or as recommended by your physician.

Warnings & Precautions

WARNING: If you are pregnant, nursing or taking any medications, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of the reach of children.

IMPORTANT: TAMPER-EVIDENT SEAL UNDER CAP. DO NOT USE IF PRINTED SEAL IS BROKEN OR MISSING.

Formulation Notes

No Artificial Flavors - No Preservatives - No Yeast or Gluten

Vitamin D3, Magnesium & Zinc

Calcium Citrate with 500 mg of Calcium

Additional Information

- Highly absorbable CALCIUM - For strong BONES and TEETH* - May reduce the risk of OSTEOPOROSIS*

Actual Size

USP has tested and verified ingredients, potency, and manufacturing process. USP sets official standards for dietary supplements. See www.uspverified.org

Tablet color may vary.

Quality Purity Potency Kirkland Signature Calcium Citrate with Vitamin D3, Magnesium, Zinc, and minerals is scientifically formulated for building a healthy body.* Calcium is essential for strong bones and Vitamin D helps the body absorb calcium.* Zinc and magnesium assist the body with bone formation.* Kirkland Signature Calcium Citrate helps maintain and support: - Healthy Bones and Teeth* - Healthy Muscle Contraction* - Reduces Risk of Osteoporosis*

*Adequate calcium and vitamin D as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life.

Oil- and Water-soluble Vitamins and Minerals Tablets USP

Store at room temperature, tightly closed. Avoid excessive heat.

Prod. No. 52330 03B B31359 ITEM 286648

Two Tablets Per Day Deliver

Item 286648

DIETARY SUPPLEMENT USP VERIFIED(R)

FRESHNESS AND POTENCY GUARANTEED THROUGH:

Metadata

Product Details

UPC / SKU0 96619 28664 5
DSLD Entry Date2013-04-25
Product TypeMulti-Vitamin and Mineral (MVM)
FormTablet or Pill
BrandKirkland Signature
DSLD ID19021
Data Updated2026-04-11
Research

Research Evidence

511
Research Sources
57
Avg Quality
266
Meta Analysis
95
Systematic Review
76
Rct
49
Clinical Trial
12
Guideline
4
Regulatory Source
2
Cochrane Review
2
Other
2
Narrative Review
1
Openfda Safety
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A First-line drugs for hypertension
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Beta-blockers for hypertension
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
View all evidence for Calcium →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.