Kirkland
Calcium Citrate Magnesium and Zinc with Vitamin D3
86/100
SUPPIE SCORE
75/100
EFFICACY
High
SAFETY
92/100
CLEANLINESS
What Does Calcium Citrate Magnesium and Zinc with Vitamin D3 Do?
This Kirkland bone support formula delivers well-absorbed calcium citrate plus magnesium, zinc, and vitamin D3 at doses commonly used in bone health studies.
How does calcium citrate compare to carbonate for absorption in people with low stomach acid?
What is the best time of day to take this bone health supplement for maximum benefit?
Are there any medications that interact with the magnesium or zinc in this formula?
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What Are the Benefits of Calcium Citrate Magnesium and Zinc with Vitamin D3?
Based on proven scientific research
Bone HealthStrong
Osteoporosis Risk ReductionModerate
Teeth StrengthModerate
Good For:
What Are the Side Effects of Kirkland Calcium Citrate Magnesium and Zinc with Vitamin D3?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Calcium citrate form is well-tolerated and does not require stomach acid for absorption unlike carbonate.
•Magnesium at 250 mg per tablet is within typical supplemental ranges but may cause loose stools in sensitive individuals if multiple tablets taken.
•Zinc at standard supplemental levels is safe for most but long-term high intake can interfere with copper status.
•Vitamin D3 at 400 IU per tablet poses low risk of hypercalcemia at recommended 1-2 tablets daily.
•Suitable for most adults; consult physician if you have kidney disease, hypercalcemia, or take medications like bisphosphonates or antibiotics.
Potential Side Effects
Negative Interactions
Allergens
No glutenNo major allergens declared
Inactive Ingredients
Microcrystalline cellulose
Low RiskMagnesium stearate
Low RiskVegetable stearate
Low RiskCitrus bioflavonoids
Low RiskWhat Are the Ingredients in Kirkland Calcium Citrate Magnesium and Zinc with Vitamin D3?
Calcium (as calcium citrate)
300 mg
Magnesium (as magnesium oxide)
250 mg
Zinc (as zinc oxide)
10 mg
Vitamin D3 (as cholecalciferol)
10 mcg
Microcrystalline Cellulose
Magnesium Stearate
Vegetable Stearate
Citrus Bioflavonoids
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Dosage & Bioavailability
How the active doses and forms in Calcium Citrate Magnesium and Zinc with Vitamin D3 compare to the research.
•Vitamin D3 (as cholecalciferol) — 10 mcg (400 IU) per tablet; standard maintenance form with high bioavailability in oil or tablet matrices.
•Magnesium (as magnesium oxide) — 250 mg per tablet; oxide form has lower absorption compared to organic salts like citrate or glycinate.
Frequently Asked Questions
Common questions about Kirkland Calcium Citrate Magnesium and Zinc with Vitamin D3