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Calcium Citrate Magnesium and Zinc

Kirkland Signature
4.6
(128 ratings)
Calcium 500 mg
Copper 1 mg
Boron 1 mg
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Score95

A bulk-sized, comprehensive mineral supplement focused on bone health with a balanced 1 mg dose of copper.

How scoring works
Quantity:500 Tablet(s)(250 servings)
Goals:
Bone Health

Score 95

A bulk-sized, comprehensive mineral supplement focused on bone health with a balanced 1 mg dose of copper.

How scoring works
$18.99($0.07 per serving)
Walmart
$ 18.99
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Analysis

This multimineral blend is designed for individuals focused on long-term bone support. It combines 500 mg of calcium with co-factors like magnesium, zinc, and 1 mg of copper to ensure the mineral matrix is properly regulated. The addition of Vitamin D3 further supports the body's ability to utilize the calcium effectively.

While the copper dose is low at 1 mg, it acts as a necessary partner to the zinc to prevent imbalances. The massive 500-count bottle is a practical choice for families or individuals looking for a yearly supply. It is an ideal foundational supplement for maintaining mineral density over time.

Pros

  • Excellent value for a 500-count bottle
  • Bioavailable calcium citrate form
  • Includes essential co-factors like D3 and Boron
  • Supports long-term bone density
  • Prevents mineral competition issues

Cons

  • Large tablets can be hard to swallow
  • Low copper dose per serving
  • Generic mineral forms for copper and zinc

Warnings

  • High calcium intake may interact with certain medications
  • Large bottle requires significant storage space
  • Check total daily zinc intake from all sources

Nutrient quality

93 Highest impact

Selection of calcium citrate ensures high bioavailability even for those with lower stomach acid. Meaningful inclusions of trace minerals like manganese and boron support comprehensive bone signaling.

Ingredient transparency

97 Highest impact

Clear disclosure of all mineral and vitamin amounts allows for precise tracking of daily intake. Serving size and usage instructions are simple and easy for the consumer to understand.

Customer satisfaction

90 Highest impact

Strong average rating indicates that the product meets user expectations for bone support. Sufficient review volume provides confidence in the consistency of the manufacturing quality.

Value for money

98 Highest impact

Exceptional value is provided through a high count of servings at a very low price point. The price-to-quality ratio for a citrate-based mineral supplement is among the best in the category.

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Goals

Impact
Highest effect
A+ Goal FitA- Strength of SupportA CoverageA+ Formula Quality

Calcium citrate and vitamin D3 provide a highly bioavailable foundation for mineral deposition and skeletal maintenance. The formula is further enhanced by a comprehensive suite of trace minerals, including boron, copper, and manganese, which are vital for collagen cross-linking and the organic bone matrix.

Magnesium and zinc further support the cellular activity of bone-building osteoblasts. This broad-spectrum approach ensures that both the structural hardness and the resilient flexibility of the bone tissue are addressed.

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Ingredients

IngredientAmount per serving
Vitamin D3
20 mcg
Vitamin B6
10 mg
Calcium
500 mg
Magnesium
80 mg
Zinc
10 mg
Copper
1 mg
Manganese
1 mg
Boron
1 mg
Gluten Free Adults 18–50
Report overview
Calcium · 500 mg OverallScore88
A- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value
This value-sized supplement uses calcium citrate for superior absorption and includes important co-factors like Zinc and Vitamin D. It offers remarkable value, particularly for those looking for a long-term supply of effective minerals.
Copper · 1 mg OverallScore57
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value
This budget-friendly mineral supplement provides basic copper support at a safe dose. However, the lack of transparency regarding the mineral form is a significant drawback for assessing quality.
Boron · 1 mg OverallScore56
C Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyC Value
This bulk-size calcium complex includes 1 mg of boron for mineral balance. It offers reasonable value for a multimineral but the boron dose is minimal and the chemical form is generic.
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