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Calcium 500 + D3

21st Century
4.8
★ ★ ★ ★ ★
(4202 ratings)
Calcium 500 mg
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Score 78

A highly affordable tablet delivering 500mg of natural calcium from oyster shell with a beneficial dose of Vitamin D3 for robust bone and nail health.

Quantity: 400 Tablet(s) • (400 servings)
Goals:
flag Bone Health
flag Nail Health

leaderboard Score 78

A highly affordable tablet delivering 500mg of natural calcium from oyster shell with a beneficial dose of Vitamin D3 for robust bone and nail health.

Quantity: 90Quantity: 400Quantity: 90

insightsAnalysis

This supplement provides 500mg of elemental calcium derived from oyster shell, which is a natural form of calcium carbonate. Critically, it includes 15mcg (600 IU) of Vitamin D3 (Cholecalciferol), which significantly aids in calcium absorption and utilization within the body.

The combination is well-suited for supporting bone density and strength, as well as contributing to healthy nails. Its high quantity and low price per serving make it an outstanding value for consistent daily calcium and Vitamin D intake.

thumb_upPros
  • Provides 500mg of elemental calcium from natural oyster shell.
  • Includes a good amount of Vitamin D3 (15mcg) for absorption.
  • Exceptional price per serving at $0.02.
  • High quantity (400 tablets) ensures long-term supply.
thumb_downCons
  • Calcium from oyster shell (calcium carbonate) is best absorbed with food.
  • Tablet form might be large for some individuals.
  • Contains only calcium and Vitamin D, lacking other bone-supportive minerals like magnesium.
warningWarnings
  • Take with food to optimize calcium absorption.
  • Monitor total daily Vitamin D intake from all sources to avoid excessive levels.
  • Consult a healthcare professional before use if you have a shellfish allergy, as calcium is derived from oyster shell.
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$10.00($0.02 per serving)
iHerb
$ 10.00
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Ingredients

IngredientAmount per serving
Vitamin D3
15 mcg
Calcium
500 mg
grain_off Gluten Free person Adults 18–50
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Categories

Calcium 82
This product delivers 500mg of elemental calcium from oyster shell (calcium carbonate) complemented by a significant 15mcg of Vitamin D3, making it a high-quality and complete calcium source within the collection.
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Goals

flag Bone Health 80
The 500mg of calcium from oyster shell, coupled with a good dose of Vitamin D3, provides effective and targeted support for maintaining and enhancing bone density. This combination is fundamental for strong bones.
flag Nail Health 80
With a strong dose of calcium and the supportive action of Vitamin D3, this product offers excellent contributions to promoting strong, healthy nails, addressing essential nutritional needs for nail integrity.
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