| Age | Calcium | Phosphorous | Iodine | Iron | Magnesium | Zinc | Selenium | Fluoride | |
|---|---|---|---|---|---|---|---|---|---|
| mg | mg | ug | mg | mg | mg | *ug | *mg | ||
| Children | 4-6 | 800 | 800/500 | 80/90 | 10 | 200/130 | 10 | -/20 | -/1.1 |
| 7-10 | 800 | 800 | 110/120 | 10 | 250 | 10 | -/30 | -/3.2 | |
| Males | 15-18 | 1200/1300 | 1200/1250 | 150 | 18/12 | 400/410 | 15 | -/50 | -/3.8 |
| 19-24 | 800/1000 | 800/700 | 140/150 | 10 | 350/400 | 15 | -/70 | -/3.8 | |
| 25-50 | 800/1000 | 800/700 | 130/150 | 10 | 350/420 | 15 | -/70 | -/3.8 | |
| 50+ | 800/1200 | 800/700 | 110/150 | 10 | 350/420 | 15 | -/70 | -/2.9 | |
| Females | 15-18 | 1200/1300 | 1200/1250 | 115/150 | 18/15 | 300/360 | 15/12 | -/50 | -/3.1 |
| 19-24 | 800/1000 | 800/700 | 100/150 | 18/15 | 300/310 | 15/12 | -/55 | -/3.1 | |
| 25-50 | 800/1000 | 800/700 | 100/150 | 18/15 | 300/320 | 15/12 | -/55 | -/3.1 | |
| 50+ | 800/1200 | 800/700 | 80/150 | 10 | 300/320 | 15/12 | -/55 | -/3.1 |
* first figure refers to the old RDA listing while the second figure refers to the newer DRI listing - age groups have also been changed on certain nutrients to range from 9-13, 14-18,19-30,31-50, 51-70 and 71+ - figures above merely for illustration and information.