Calcium 500+D3
21st Century
Score 78
This highly affordable supplement provides 500mg of oyster shell calcium with added Vitamin D3, offering effective and economical support for bone and nail health.
Score 78
This highly affordable supplement provides 500mg of oyster shell calcium with added Vitamin D3, offering effective and economical support for bone and nail health.
Also available as 3 options
Analysis
The 21st Century Calcium 500+D3 offers 500mg of elemental calcium derived from oyster shell, combined with 5mcg (200 IU) of Vitamin D3. Oyster shell calcium is primarily calcium carbonate, often containing natural trace minerals, and the added D3 supports calcium absorption.
This product is a practical choice for individuals seeking to bolster their daily calcium intake for bone and nail health, particularly appealing due to its remarkably low price per serving and generous quantity, making it an excellent long-term supplement option.
Pros
- Extremely low price per serving, offering outstanding affordability.
- Includes Vitamin D3 to aid calcium absorption.
- Good elemental calcium dose per serving (500mg).
- High quantity (400 servings) ensures a long-lasting supply.
Cons
- Calcium from oyster shell is primarily calcium carbonate, which may cause digestive issues for some.
- The Vitamin D3 dose (200 IU) is on the lower side compared to some other combination products.
- May require taking with food for optimal absorption.
Warnings
- As oyster shell calcium is largely calcium carbonate, those with sensitive stomachs should consider taking it with food.
- If you require higher doses of Vitamin D, you might need an additional Vitamin D supplement to meet your needs.
$6.72($0.01 per serving)
 Pure Formulas | $ 6.72 | |
 iHerb | $ 10.99 | |
 Walmart | $ 14.58 |
Goals
Impact
Highest effect
Provides a good elemental calcium dose supported by Vitamin D3, which is a crucial combination for maintaining and building strong bones, especially given its affordability.
Impact
Highest effect
The adequate calcium content, combined with Vitamin D3 for absorption, makes it a reliable choice for supporting strong and healthy nails.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin D3 | 5 mcg |
Calcium | 500 mg |
Calcium 82
Delivers a solid dose of calcium, enhanced by Vitamin D3, making it a well-rounded and effective calcium supplement for general daily intake.
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It offers a similar elemental calcium dose but with a higher amount of Vitamin D3 (15mcg vs 5mcg), which is crucial for optimal calcium absorption and utilization for bone health.