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 |