Calcium in widely available supplements
| Formulation | Calcium compound | Elemental calcium (mg) per pill |
|---|---|---|
| Caltrate 600 + D3 | Carbonate | 600 |
| Citracal Max | Citrate | 315 |
| Citracal Slow Release | Citrate | 600 |
| Citracal Plus Magnesium | Citrate | 250 |
| OsCal Ca + D3 | Carbonate | 500 |