Magnesium Daily Requirements

Magnesium:
"Pediatric

Infants birth to 6 months: 30 mg
Infants 6 months to 1 year: 75 mg
Children 1 to 3 years: 80 mg
Children 4 to 8 years: 130 mg
Children 9 to 13 years: 240 mg
Adolescent males 14 to 18 years: 410 mg
Adolescent females 14 to 18 years: 360 mg

Adult

Males 19 to 30 years: 400 mg
Females 19 to 30 years: 310 mg
Males 31 years and older: 420 mg
Females 31 years and older: 320 mg
Pregnant females under 18 years: 400 mg
Pregnant females 19 to 30 years: 350 mg
Pregnant females 31 to 50 years: 360 mg
Breastfeeding females under 18 years: 360 mg
Breastfeeding females 19 to 30 years: 310 mg
Breastfeeding females 31 to 50 years: 320 mg "