A high-dose calcium carbonate supplement providing abundant calcium optimally paired with a strong dose of Vitamin D3 for absorption. It's excellent for bone health but lacks magnesium and Vitamin K2 for comprehensive bone and heart support.
A high-dose calcium carbonate supplement providing abundant calcium optimally paired with a strong dose of Vitamin D3 for absorption. It's excellent for bone health but lacks magnesium and Vitamin K2 for comprehensive bone and heart support.
This Sundown Naturals product provides a high dose of 1200mg elemental calcium (as calcium carbonate) per serving, which often meets or significantly contributes to daily calcium requirements. Crucially, it includes 25mcg (1000 IU) of Vitamin D3, an optimal amount known to significantly enhance calcium absorption and utilization, making the calcium highly effective. The product's high review count reflects strong user satisfaction and perceived efficacy. While calcium carbonate can be less absorbable for those with low stomach acid and may cause digestive upset in some, the high dose and inclusion of ample Vitamin D3 generally compensate. The primary limitation is the absence of synergistic minerals like magnesium (vital for bone mineralization and calcium balance) and Vitamin K2 (essential for directing calcium to bones and away from arteries), which would make it an even more complete bone and heart health supplement.
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$ 13.37 | ||
![]() | $ 15.19 |
Ingredient | Amount per serving |
---|---|
Calories | 15 Calorie(s) |
Total Fat | 1 Gram(s) |
Vitamin D (Vitamin D3, Cholecalciferol) | 25 mcg |
Calcium (Calcium Carbonate) | 1200 mg |