Calcium Citrate Magnesium and Zinc, 500 Tablets
Kirkland Signature
Kirkland Signature Calcium Citrate, Magnesium and Zinc, 500 tablets (Amazon B07N798Y1J). One-time price $16.49 on 6 Oct 2026. The listing title is this calcium bottle. Label: 500 mg calcium as calcium citrate per 2 tablets, 250 servings, plus 20 mcg vitamin D3, 80 mg magnesium, and 10 mg zinc. 250 × 500 mg / $16.49 = 7,580.35 mg calcium per $1.
Serving Size
2 tablets
Per Serving
500 mg calcium
What's on the Label
Calcium (as calcium citrate)
500 mg
How It's Made
Primary Form
Calcium as calcium citrate, 500 mg per 2 tablets, with vitamin D3, magnesium, and zinc. The label does not name the mineral the citrate was made from.
Source & Processing
Calcium as calcium citrate, 500 mg per 2 tablets, with vitamin D3, magnesium, and zinc. The label does not name the mineral the citrate was made from.
Other Ingredients
Cellulose, croscarmellose sodium, magnesium stearate, silicon dioxide, cellulose coating
What They Don't Tell You(Beyond the label)
How to Use
Typical Dose
500 mg calcium
Per 2 tablets
General Guidance
• When: Follow label directions or consult research for optimal timing
• Consistency: Regular daily use typically yields best results
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