Dietary Reference Intakes (DRIs): Recommended Dietary Allowances and Adequate Intakes, Elements

Food and Nutrition Board, Institute of Medicine, National Academies

Life Stage
Group		Calcium
(mg/d)		Chromium
(μg/d)		Copper
(μg/d)		Fluoride
(mg/d)		Iodine
(μg/d)		Iron
(mg/d)		Magnesium
(mg/d)		Manganese
(mg/d)		Molybdenum
(μg/d)		Phosphorus
(mg/d)		Selenium
(μg/d)		Zinc
(mg/d)		Potassium
(g/d)		Sodium
(g/d)		Chloride
(g/d)
Infants
 0–6 mo200*0.2*200*0.01*110*0.27*30*0.003*2*100*15*2*0.4*0.12*0.18*
 6–12 mo260*5.5*220*0.5*130*1175*0.6*3*275*20*30.7*0.37*0.57*
Children
 1–3 y70011*3400.7*907801.2*174602033.0*1.0*1.5*
 4–8 y1,00015*4401*90101301.5*225003053.8*1.2*1.9*
Males
 9–13 y1,30025*7002*12082401.9*341,2504084.5*1.5*2.3*
 14–18 y1,30035*8903*150114102.2*431,25055114.7*1.5*2.3*
 19–30 y1,00035*9004*15084002.3*4570055114.7*1.5*2.3*
 31–50 y1,00035*9004*15084202.3*4570055114.7*1.5*2.3*
 51–70 y1,00030*9004*15084202.3*4570055114.7*1.3*2.0*
 > 70 y1,20030*9004*15084202.3*4570055114.7*1.2*1.8*
 Females
 9–13 y1,30021*7002*12082401.6*341,2504084.5*1.5*2.3*
 14–18 y1,30024*8903*150153601.6*431,2505594.7*1.5*2.3*
 19–30 y1,00025*9003*150183101.8*457005584.7*1.5*2.3*
 31–50 y1,00025*9003*150183201.8*457005584.7*1.5*2.3*
 51–70 y1,20020*9003*15083201.8*457005584.7*1.3*2.0*
 > 70 y1,20020*9003*15083201.8*457005584.7*1.2*1.8*
Pregnancy
 14–18 y1,30029*1,0003*220274002.0*501,25060124.7*1.5*2.3*
 19–30 y1,00030*1,0003*220273502.0*5070060114.7*1.5*2.3*
 31–50 y1,00030*1,0003*220273602.0*5070060114.7*1.5*2.3*
Lactation
 14–18 y1,30044*1,3003*290103602.6*501,25070135.1*1.5*2.3*
 19–30 y1,00045*1,3003*29093102.6*5070070125.1*1.5*2.3*
 31–50 y1,00045*1,3003*29093202.6*5070070125.1*1.5*2.3*

SOURCES: Dietary Reference Intakes for Calcium, Phosphorous, Magnesium, Vitamin D, and Fluoride (1997); Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (1998); Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids (2000); Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc (2001); Dietary Reference Intakes for Water, Potassium, Sodium, Chloride, and Sulfate (2005); and Dietary Reference Intakes for Calcium and Vitamin D (2011). These reports may be accessed via www?.nap.edu.