Calcium Citrate with 500 mg of Calcium

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

This product looks safe

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

Product Label

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Label Data

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

Supplement Facts — Evidence Check

800 IU (200% DV)
✅ 1.3× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.02mg UL 0.1mg
10 mg (500% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10mg UL 100mg
Calcium
500 mg (50% DV)
80 mg (20% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 80mg
10 mg (66% DV)
✅ Within RDA (0.9× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 10mg UL 40mg
1 mg (50% DV)
✅ 1.1× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 1mg UL 10mg
1 mg (50% DV)
✅ Within RDA (0.4× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 1mg UL 11mg
1 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 1mg UL 20mg

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

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Approved Health
❓ Structure/Function
All Other (100% of products) Structure/Function (81% of products) Nutrient (71% of products) Approved Health (13% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

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:

Product Details

UPC / SKU 0 96619 28664 5
DSLD Entry Date 2013-04-25
Product Type Multi-Vitamin and Mineral (MVM)
Form Tablet or Pill
Brand Kirkland Signature
DSLD ID 19021
Data Updated 2026-04-11

Research Evidence

511 Research Sources
57 Avg Quality Score
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 Cochrane
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 Cochrane
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 Cochrane
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 Cochrane
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
PubMed DOI Cochrane
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 Cochrane
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
PubMed DOI Cochrane
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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