Table 1.
Recommended Dietary Allowance for Calcium (USDA: United States Department of Agriculture).
| Life Stage Group | RDA/AI * (mg/day) |
|---|---|
| Infants | |
| 0 to 6 months | * 200 |
| 6 to 12 months | * 260 |
| Children | |
| 1–3 years | 700 |
| 4–8 years | 1000 |
| Males/Females | |
| 9–13 years | 1300 |
| 14–18 years | 1300 |
| 19–30 years | 1000 |
| 31–50 years | 1000 |
| 51–70 years (males) | 1000 |
| 51–70 years (females) | 1200 |
| >70 years | 1200 |
| Pregnancy/Breastfeeding | |
| 14–18 years | 1300 |
| 19–50 years | 1000 |
* For infants 0 to 6 months and 6 to 12 months, these are Adequate Intakes (AI).