RDA Table
The RDA (Recommended Dietary Allowance) is the amount of an essential nutrient that will meet the daily requirement for almost all (97.5%) HEALTHY individuals in a given gender and age-range group.
| Age-Gender Group |
Magnesium RDA Milligrams/day |
Magnesium AI Milligrams/day |
Calcium AI
Milligrams/day |
| 0 – 6 months | 30 mg | 210 mg | |
| 7 – 12 months | 75 mg | 270 mg | |
| 1 – 3 yrs | 80 mg | 500 mg | |
| 4 – 8 yrs | 130 mg | 800 mg | |
|
Girls: 9 – 13 yrs 14 – 18 yrs |
240 mg 360 mg |
1,300 mg 1,300 mg |
|
|
Boys: 9 – 13 yrs 14 – 18 yrs |
240 mg 410 mg |
1,300 mg 1,300 mg |
|
|
Women: 19 – 30 yrs 31 – 50 yrs 51 – 70 yrs Over 70 yrs |
310 mg 320 mg 320 mg 320 mg |
1,000 mg 1,000 mg 1,200 mg 1,200 mg |
|
|
Men: 19 – 30 yrs 31 – 50 yrs 51 – 70 yrs Over 70 yrs |
400 mg 420 mg 420 mg 420 mg |
1,000 mg 1,000 mg 1,200 mg 1,200 mg |
|
|
Pregnancy: aged 14 – 18 yrs aged 19 – 30 aged 31 – 50 |
400 mg 350 mg 360 mg |
1,300 mg 1,000 mg 1,000 mg |
|
|
Lactation: Aged 14 – 18 yrs Aged 19 – 30 Aged 31 – 50 |
360 mg 310 mg 320 mg |
1,300 mg 1,000 mg 1,000 mg |