Iron Tolerable Upper Intake Levels Life Stage Iron (mg/day) Infants 0-6 mo 40 7-12 mo 40 Children 1-3 years 40 4-8 years 40 Males, Females 9-13 years 40 14-18 years 45 19-70 years 45 > 70 years 45 Pregnancy < 18 years 45 19-50 years 45 Lactation < 18 years 45 19-50 years 45 Requirements The Daily Reference Intakes (DRI) for iron are shown below. Daily Reference Intakes Life Stage Iron (mg) Infants 0-6 months 0.27 7-12 months 11 Children 1-3 years 7 4-8 years 10 Males 9-13 years 8 14-18 years 11 19-30 years 8 31-50 years 8 51-70 years 8 > 70 years 8 Females 9-13 years 8 14-18 years 15 19-30 years 18 31-50 years 18 51-70 years 8 > 70 8 Pregnancy < 18 years 27 19-30 years 27 31-50 years 27 Lactation < 18 years 10 19-30 years 9 31-50 years 9