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Daily Calcium Intake Reference (adapted from the Institute of Medicine 2010)
| Age | Estimated Average Requirement of Calcium (mg/day) | Recommended Dietary Allowance of Calcium (mg/day) | Upper Level Intake of Calcium (mg/day) |
|---|---|---|---|
| 14–18 years old | 1100 | 1300 | 3000 |
| 19–30 years old | 800 | 1000 | 2500 |
| 31–50 years old | 800 | 1000 | 2500 |
| 51–70 year old males | 800 | 1000 | 2000 |
| 51–70 year old females | 1000 | 1200 | 2000 |
