Oyster Shell Calcium 500 mg
Major
Score 65
A very economical oyster shell calcium carbonate supplement, offering a good dose for bone and nail health but without added Vitamin D3.
Score 65
A very economical oyster shell calcium carbonate supplement, offering a good dose for bone and nail health but without added Vitamin D3.
Analysis
This product delivers 500mg of elemental calcium per serving, sourced from oyster shells, which is primarily calcium carbonate. Calcium carbonate is a widely used and effective form of calcium for supporting bone density and nail strength, especially when taken with food to aid absorption.
Its main appeal is its exceptional affordability, making it a budget-friendly option for regular calcium intake. However, for a more comprehensive approach to bone health, the absence of Vitamin D3 is a notable omission, as D3 plays a critical role in calcium utilization in the body.
Pros
- Highly cost-effective at just $0.05 per serving.
- Provides a substantial 500mg of elemental calcium per serving.
- Sourced from natural oyster shells.
- High serving count offers a long-lasting supply.
Cons
- Does not include Vitamin D3, which is crucial for optimal calcium absorption.
- Calcium carbonate is best absorbed when taken with food due to its reliance on stomach acid.
- Lower customer review count compared to similar products.
Warnings
- Best taken with food to improve absorption.
- Large doses of calcium can sometimes cause digestive upset like constipation.
$12.95($0.08 per serving)
 Walmart | $ 12.95 |
Goals
Impact
High effect
The 500mg of calcium provides good support for bone health. However, the lack of Vitamin D3 means that absorption might not be as optimized as products that include it, impacting overall effectiveness.
Impact
High effect
Calcium is a fundamental building block for strong nails, and this product supplies a good dose. For optimal benefits, however, combining it with Vitamin D3 would be more effective.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Calcium | 500 mg |
Calcium 65
As a pure calcium carbonate product, it serves its purpose for calcium intake. Its low cost makes it accessible, but the absence of D3 means it's not a complete solution for calcium utilization.
Alternative products
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This product, like yours, uses oyster shell calcium but importantly includes Vitamin D3, which significantly improves calcium absorption and utilization for bone and nail health. It offers a key enhancement to your current product at a competitive price per serving.
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This product, like yours, uses oyster shell calcium but importantly includes Vitamin D3, which significantly improves calcium absorption and utilization for bone and nail health. It offers a key enhancement to your current product at a competitive price per serving.
70 Value
600+D3
Caltrate
This alternative combines calcium and D3 (a critical addition), along with other important minerals like Magnesium, Zinc, and Boron for comprehensive bone support. It offers significantly more for bone and nail health at a competitive price per serving, providing better overall value.
55 Value
Calcium Magnesium Zinc + D3
21st Century
This product provides calcium carbonate with magnesium, zinc, and vital vitamin D3, offering a synergistic blend for bone and nail health. The inclusion of these additional co-factors makes it a more complete and better-value solution compared to oyster shell calcium alone.
88 Performance
Bone Restore with Vitamin K2
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This is a significantly better option, providing multiple highly absorbable calcium forms, vital Vitamin D3 (absent in your current product), K2, Magnesium, Zinc, Manganese, and Silicon. This comprehensive blend is expertly formulated for superior bone density and structure.
89 Performance
Organic Plant Calcium
Garden of Life MyKind Organics
This excellent plant-based calcium from organic algae includes essential Vitamin D3 (which your product lacks), K2, and Magnesium. It provides a more holistic and highly effective approach to bone and nail health with bioavailable ingredients, making it a much more complete choice.
27 Performance
Calcium with Vitamin D3
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This alternative features well-absorbed calcium citrate and malate forms, crucially combined with Vitamin D3. These forms, along with D3, are generally better utilized by the body for bone and nail health compared to oyster shell calcium alone, offering more effective support.