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Coral Calcium 600 mg

Source Naturals
4.8
★ ★ ★ ★ ★
(506 ratings)
Calcium 420 mg
Vitamin D 400 IU
Product Image
Score93

A natural coral calcium supplement with vitamin D3 for skeletal maintenance.

How scoring works
Quantity:120 Tablet(s) • (60 servings)
Goals:

Score 93

A natural coral calcium supplement with vitamin D3 for skeletal maintenance.

How scoring works

Also available as

1 option
60 servings Calcium 420 mg • 120 Capsule(s) • 60 servings $18.46 ($0.30 per serving)
$18.10($0.30 per serving)
iHerb
$ 18.19
iHerb
$ 18.19
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Analysis

This formula provides 420mg of calcium per tablet, sourced from coral. It includes 400 IU of vitamin D3 to help with the intestinal uptake of these minerals.

The tablet format is simple and provides a once-daily option for basic bone support. While coral calcium is similar to carbonate, many users prefer it for its natural origin and trace mineral content.

Pros

  • Natural coral source of calcium
  • Includes Vitamin D3
  • Simple once-daily tablet
  • Very affordable price

Cons

  • Coral calcium requires food for absorption
  • Vitamin D dose is modest
  • Tablet size can be large

Warnings

  • Best taken with a meal
  • Check for allergies to marine-derived products

Nutrient quality

87 Highest impact

Selection of natural coral calcium provides a foundational mineral source for bone health. Meaningful dosages for calcium and D3 support daily density and mineral signaling.

Ingredient transparency

97 Highest impact

Quantities for all active vitamins and minerals are explicitly listed on the label. Opaque proprietary complexes are not utilized, ensuring full clarity on the product's nutritional profile.

Customer satisfaction

93 Highest impact

Strong average rating confirms broad user approval for the formula's effectiveness and value. Review volume of over 500 provides a reliable indicator of manufacturing consistency.

Value for money

96 Highest impact

Outstanding economy is offered through a very low price per serving for a large supply. This product represents one of the most competitive options available for foundational health.

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Ingredients

IngredientAmount per serving
Vitamin D3 (Cholecalciferol)
 400 IU
Calcium (Coral Calcium)
 420 mg
Coral Calcium
1.2 Gram(s)
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Calcium (Coral Calcium) · 420 mg OverallScore80
C+ Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value
This coral calcium supplement provides a moderate dose of 420mg per serving. While coral calcium is a natural source, it is chemically similar to carbonate and requires food for best absorption.
View ingredientView products
Vitamin D (Cholecalciferol) · 400 IU OverallScore54
B- Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyF Value
This coral calcium supplement includes a small dose of Vitamin D3 to aid in mineral absorption. It lacks advanced delivery mechanisms and third-party certifications, making it less ideal for correcting Vitamin D deficiencies.
View ingredientView products
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