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600 + D3 plus Minerals

21st Century
4.8
★ ★ ★ ★ ★
(1636 ratings)
Calcium 600 mg
Copper 1 mg
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Score92

A basic but effective bone-health tablet that provides essential calcium, D3, and trace minerals.

How scoring works
Quantity:120 Tablet(s) • (120 servings)
Goals:
Bone Health

Score 92

A basic but effective bone-health tablet that provides essential calcium, D3, and trace minerals.

How scoring works

Also available as

1 option
600.00mg Calcium, 40.00mg Magnesium • 75 servings • Fruit Punch Calcium 600 mg, Copper 1 mg • 75 Tablet(s) • 75 servings $6.99 ($0.09 per serving)
$5.49($0.04 per serving)
iHerb
$ 5.49
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Analysis

This product combines calcium carbonate with Vitamin D3 to help support the body's mineral transport and bone strength. It also provides trace minerals such as zinc, manganese, and boron which assist in maintaining the organic matrix of the bones. These components work together to support long-term bone health maintenance.

The formula uses some less bioavailable mineral forms, like copper oxide, which may limit overall efficacy. However, the 600mg calcium dose is well-aligned with what the body can process in a single serving. It is a practical, straightforward choice for daily bone-building support on a budget.

Pros

  • Targeted calcium and D3 dose
  • Includes manganese and boron
  • Very high servings per bottle
  • Highly affordable

Cons

  • Uses inorganic copper and zinc oxides
  • Large tablets can be hard to swallow
  • Magnesium dose is minimal

Warnings

  • Take with food to aid absorption
  • Check with a professional if you have kidney concerns

Nutrient quality

83 Highest impact

Selection of calcium carbonate and mineral oxides represents lower-tier bioavailability compared to chelates. While doses are meaningful for building density, the absorption efficiency is limited by these inorganic forms.

Ingredient transparency

98 Highest impact

Specific chemical forms are clearly identified on the label, allowing for accurate assessment of the mineral types. Dosing information for all active ingredients is fully disclosed for the consumer.

Customer satisfaction

95 Highest impact

Exceedingly strong average rating indicates high user approval of the formula's effectiveness. A large volume of reviews confirms consistent product quality and satisfaction across a broad audience.

Value for money

93 Highest impact

Outstanding value is provided through one of the lowest prices per serving in the category. While the mineral forms are basic, the low cost makes it a highly accessible option for long-term supplementation.

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Goals

Bone Health
Impact
Highest effect
A Goal FitB- Strength of SupportA- CoverageA- Formula Quality

This combination of calcium carbonate, Vitamin D3, and trace minerals addresses multiple pathways of skeletal health, including mineral structural needs and collagen matrix cross-linking. Research suggests that providing these cofactors alongside calcium is more effective for maintaining bone quality than calcium alone.

However, the inclusion of poorly absorbed mineral forms like copper oxide and zinc oxide limits the formula's total efficacy. While it provides good breadth, it relies on less bioavailable ingredients that may not be fully utilized for bone remodeling.

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Ingredients

IngredientAmount per serving
Vitamin D3 (Cholecalciferol)
 20 mcg
Calcium (Calcium Carbonate)
 600 mg
Magnesium (Magnesium Oxide)
 50 mg
Zinc (Zinc Oxide)
 7.5 mg
Copper (Copper Oxide)
 1 mg
Manganese (Manganese Sulfate)
 1.8 mg
Boron (Sodium Borate)
 250 mcg
Gluten Free Adults 18–50
Report overview
Calcium (Calcium Carbonate) · 600 mg OverallScore80
C+ Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value
This balanced formula provides 600mg of calcium carbonate paired with vitamin D3 and several trace minerals for bone health. It is highly affordable and utilizes an optimized dose for efficient mineral uptake.
View ingredientView products
Copper (Copper Oxide) · 1 mg OverallScore64
F Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value
The bulk version of this supplement provides copper oxide at an incredibly low price point. While the cost efficiency is unmatched, the poor absorption of the copper source limits its functional benefit.
View ingredientView products
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