
Calcium 1000 mg

A high-dose calcium carbonate supplement providing 1000 mg of calcium with added Vitamin D3 for enhanced absorption, making it a comprehensive bone health option.
Score 80
A high-dose calcium carbonate supplement providing 1000 mg of calcium with added Vitamin D3 for enhanced absorption, making it a comprehensive bone health option.
Analysis
21st Century Calcium 1000 mg with Vitamin D3 provides a robust serving of calcium carbonate, a common and effective form of calcium. The added Vitamin D3 is a crucial inclusion, as it plays a significant role in helping the body absorb and utilize calcium, which is vital for maintaining bone density.
This supplement is well-suited for individuals looking for a higher-dose calcium option to help meet their daily requirements, especially those who may not get enough calcium and Vitamin D from their diet alone. It's a convenient once-daily tablet that addresses two key nutrients for skeletal well-being.
- Offers a high 1000 mg dose of calcium per serving.
- Includes Vitamin D3 (20 mcg) to aid calcium absorption.
- Calcium carbonate is a widely available and cost-effective calcium form.
- Convenient single-tablet serving for significant calcium intake.
- Calcium carbonate may be less easily absorbed by individuals with low stomach acid.
- Large tablet size might be difficult for some to swallow.
- Taking a very high dose of calcium in one go might not be optimal for absorption for some individuals, though 1000mg is a common single dose.
- If you have a history of kidney stones or other calcium-related conditions, consult a professional.
- Calcium carbonate is best taken with food to support absorption.
- Ensure overall daily calcium intake from all sources does not exceed recommended upper limits.
Amazon | $ 6.21 | |
| $ 6.49 | ||
Walmart | $ 7.46 |
| Ingredient | Amount per serving |
|---|---|
Vitamin D3 | 20 mcg |
Calcium | 1000 mg |

