Dietary reference intakes tables: Reference values for elements

Abbreviations

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Reference values for Arsenic, Boron, Calcium, Chromium, Copper, Fluoride, and Iodine
Age ArsenicTable 1 footnote 16 Boron
mg/day
CalciumTable 1 footnote **
mg/day
Chromium
μg/day
Copper
μg/day
Fluoride
mg/day
Iodine
μg/day
AI ULTable 1 footnote 17 AI UL EAR RDA/AI UL AI ULTable 1 footnote 17 EAR RDA/AI UL AI UL EAR RDA/AI UL
Infants
0-6 mo ND ND ND ND ND 200Table 1 footnote *Table 1 footnote a 1,000Table 1 footnote a 0.2Table 1 footnote * ND ND 200Table 1 footnote * ND 0.01Table 1 footnote * 0.7 ND 110Table 1 footnote * ND
7-12 mo ND ND ND ND ND 260Table 1 footnote *Table 1 footnote a 1,500Table 1 footnote a 5.5Table 1 footnote * ND ND 220Table 1 footnote * ND 0.5Table 1 footnote * 0.9 ND 130Table 1 footnote * ND
Children
1-3 y ND ND ND 3 500 700 2,500 11Table 1 footnote * ND 260 340 1,000 0.7Table 1 footnote * 1.3 65 90 200
4-8 y ND ND ND 6 800 1,000 2,500 15Table 1 footnote * ND 340 440 3,000 1Table 1 footnote * 2.2 65 90 300
Males
9-13 y ND ND ND 11 1,100 1,300 3,000 25Table 1 footnote * ND 540 700 5,000 2Table 1 footnote * 10 73 120 600
14-18 y ND ND ND 17 1,100 1,300 3,000 35Table 1 footnote * ND 685 890 8,000 3Table 1 footnote * 10 95 150 900
19-30 y ND ND ND 20 800 1,000 2,500 35Table 1 footnote * ND 700 900 10,000 4Table 1 footnote * 10 95 150 1,100
31-50 y ND ND ND 20 800 1,000 2,500 35Table 1 footnote * ND 700 900 10,000 4Table 1 footnote * 10 95 150 1,100
51-70 y ND ND ND 20 800 1,000 2,000 30Table 1 footnote * ND 700 900 10,000 4Table 1 footnote * 10 95 150 1,100
>70 y ND ND ND 20 1,000 1,200 2,000 30Table 1 footnote * ND 700 900 10,000 4Table 1 footnote * 10 95 150 1,100
Females
9-13 y ND ND ND 11 1,100 1,300 3,000 21Table 1 footnote * ND 540 700 5,000 2Table 1 footnote * 10 73 120 600
14-18 y ND ND ND 17 1,100 1,300 3,000 24Table 1 footnote * ND 685 890 8,000 3Table 1 footnote * 10 95 150 900
19-30 y ND ND ND 20 800 1,000 2,500 25Table 1 footnote * ND 700 900 10,000 3Table 1 footnote * 10 95 150 1,100
31-50 y ND ND ND 20 800 1,000 2,500 25Table 1 footnote * ND 700 900 10,000 3Table 1 footnote * 10 95 150 1,100
51-70 y ND ND ND 20 1,000 1,200 2,000 20Table 1 footnote * ND 700 900 10,000 3Table 1 footnote * 10 95 150 1,100
>70 y ND ND ND 20 1,000 1,200 2,000 20Table 1 footnote * ND 700 900 10,000 3Table 1 footnote * 10 95 150 1,100
Pregnancy
≤18 y ND ND ND 17 1,100 1,300 3,000 29Table 1 footnote * ND 785 1,000 8,000 3Table 1 footnote * 10 160 220 900
19-30 y ND ND ND 20 800 1,000 2,500 30Table 1 footnote * ND 800 1,000 10,000 3Table 1 footnote * 10 160 220 1,100
31-50 y ND ND ND 20 800 1,000 2,500 30Table 1 footnote * ND 800 1,000 10,000 3Table 1 footnote * 10 160 220 1,100
Lactation
≤18 y ND ND ND 17 1,100 1,300 3,000 44Table 1 footnote * ND 985 1,300 8,000 3Table 1 footnote * 10 209 290 900
19-30 y ND ND ND 20 800 1,000 2,500 45Table 1 footnote * ND 1,000 1,300 10,000 3Table 1 footnote * 10 209 290 1,100
31-50 y ND ND ND 20 800 1,000 2,500 45Table 1 footnote * ND 1,000 1,300 10,000 3Table 1 footnote * 10 209 290 1,100

Note: These are reference values for normal, apparently healthy individuals eating a typical mixed North American diet. An individual may have physiological, health, or lifestyle characteristics that may require tailoring of specific nutrient values.

Reference values for Iron, Magnesium, Manganese, Molybdenum, Nickel, and Phosphorus
Age IronTable 2 footnote 18
mg/day
Magnesium
mg/day
Manganese
mg/day
Molybdenum
μg/day
Nickel
mg/day
Phosphorus
mg/day
EAR RDA/AI UL EAR RDA/AI ULTable 2 footnote 19 AI UL EAR RDA/AI UL AI UL EAR RDA/AI UL
Infants
0-6 mo ND 0.27Table 2 footnote * 40 ND 30Table 2 footnote * ND 0.003Table 2 footnote * ND ND 2Table 2 footnote * ND ND ND ND 100Table 2 footnote * ND
7-12 mo 6.9 11 40 ND 75Table 2 footnote * ND 0.6Table 2 footnote * ND ND 3Table 2 footnote * ND ND ND ND 275Table 2 footnote * ND
Children
1-3 y 3 7 40 65 80 65 1.2Table 2 footnote * 2 13 17 300 ND 0.2 380 460 3,000
4-8 y 4.1 10 40 110 130 110 1.5Table 2 footnote * 3 17 22 600 ND 0.3 405 500 3,000
Males
9-13 y 5.9 8 40 200 240 350 1.9Table 2 footnote * 6 26 34 1,100 ND 0.6 1,055 1,250 4,000
14-18 y 7.7 11 45 340 410 350 2.2Table 2 footnote * 9 33 43 1,700 ND 1 1,055 1,250 4,000
19-30 y 6 8 45 330 400 350 2.3Table 2 footnote * 11 34 45 2,000 ND 1 580 700 4,000
31-50 y 6 8 45 350 420 350 2.3Table 2 footnote * 11 34 45 2,000 ND 1 580 700 4,000
51-70 y 6 8 45 350 420 350 2.3Table 2 footnote * 11 34 45 2,000 ND 1 580 700 4,000
>70 y 6 8 45 350 420 350 2.3Table 2 footnote * 11 34 45 2,000 ND 1 580 700 3,000
Females
9-13 y 5.7Table 2 footnote g 8Table 2 footnote g 40 200 240 350 1.6Table 2 footnote * 6 26 34 1,100 ND 0.6 1,055 1,250 4,000
14-18 y 7.9Table 2 footnote g 15Table 2 footnote g 45 300 360 350 1.6Table 2 footnote * 9 33 43 1,700 ND 1 1,055 1,250 4,000
19-30 y 8.1Table 2 footnote g 18Table 2 footnote g 45 255 310 350 1.8Table 2 footnote * 11 34 45 2,000 ND 1 580 700 4,000
31-50 y 8.1Table 2 footnote g 18Table 2 footnote g 45 265 320 350 1.8Table 2 footnote * 11 34 45 2,000 ND 1 580 700 4,000
51-70 y 5Table 2 footnote g 8Table 2 footnote g 45 265 320 350 1.8Table 2 footnote * 11 34 45 2,000 ND 1 580 700 4,000
>70 y 5Table 2 footnote g 8Table 2 footnote g 45 265 320 350 1.8Table 2 footnote * 11 34 45 2,000 ND 1 580 700 3,000
Pregnancy
≤18 y 23 27 45 335 400 350 2.0Table 2 footnote * 9 40 50 1,700 ND 1 1,055 1,250 3,500
19-30 y 22 27 45 290 350 350 2.0Table 2 footnote * 11 40 50 2,000 ND 1 580 700 3,500
31-50 y 22 27 45 300 360 350 2.0Table 2 footnote * 11 40 50 2,000 ND 1 580 700 3,500
Lactation
≤18 y 7 10 45 300 360 350 2.6Table 2 footnote * 9 35 50 1,700 ND 1 1,055 1,250 4,000
19-30 y 6.5 9 45 255 310 350 2.6Table 2 footnote * 11 36 50 2,000 ND 1 580 700 4,000
31-50 y 6.5 9 45 265 320 350 2.6Table 2 footnote * 11 36 50 2,000 ND 1 580 700 4,000

Note: These are reference values for normal, apparently healthy individuals eating a typical mixed North American diet. An individual may have physiological, health, or lifestyle characteristics that may require tailoring of specific nutrient values.

Reference values for Selenium, Silicon, Vanadium, Zinc, Potassium, Sodium, Chloride, and Sulfate
Age Selenium
μg/day
SiliconTable 3 footnote 20 VanadiumTable 3 footnote 22
mg/day
ZincTable 3 footnote 23
mg/day
PotassiumTable 3 footnote ***
mg/day
SodiumTable 3 footnote ***Table 3 footnote 26
mg/day
Chloride
mg/day
SulfateTable 3 footnote 28
EAR RDA/AI UL AI ULTable 3 footnote 21 AI UL EAR RDA/AI UL AI ULTable 3 footnote 24 CDRRTable 3 footnote 25 AI ULTable 3 footnote 21 CDRRTable 3 footnote 27 AI UL AI ULTable 3 footnote 21
Infants
0-6 mo ND 15Table 3 footnote * 45 ND ND ND ND ND 2Table 3 footnote * 4 400Table 3 footnote * ND ND 110Table 3 footnote * ND ND 180Table 3 footnote * ND ND ND
7-12 mo ND 20Table 3 footnote * 60 ND ND ND ND 2.5 3 5 860Table 3 footnote * ND ND 370Table 3 footnote * ND ND 570Table 3 footnote * ND ND ND
Children
1-3 y 17 20 90 ND ND ND ND 2.5 3 7 2,000Table 3 footnote * ND ND 800Table 3 footnote * ND 1,200Table 3 footnote h 1,500Table 3 footnote * 2,300 ND ND
4-8 y 23 30 150 ND ND ND ND 4 5 12 2,300Table 3 footnote * ND ND 1,000Table 3 footnote * ND 1,500Table 3 footnote h 1,900Table 3 footnote * 2,900 ND ND
Males
9-13 y 35 40 280 ND ND ND ND 7 8 23 2,500Table 3 footnote * ND ND 1,200Table 3 footnote * ND 1,800Table 3 footnote h 2,300Table 3 footnote * 3,400 ND ND
14-18 y 45 55 400 ND ND ND ND 8.5 11 34 3,000Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300Table 3 footnote h 2,300able 3 footnote * 3,600 ND ND
19-30 y 45 55 400 ND ND ND 1.8 9.4 11 40 3,400Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,300Table 3 footnote * 3,600 ND ND
31-50 y 45 55 400 ND ND ND 1.8 9.4 11 40 3,400Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,300Table 3 footnote * 3,600 ND ND
51-70 y 45 55 400 ND ND ND 1.8 9.4 11 40 3,400Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,000Table 3 footnote * 3,600 ND ND
>70 y 45 55 400 ND ND ND 1.8 9.4 11 40 3,400Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 1,800Table 3 footnote * 3,600 ND ND
Females
9-13 y 35 40 280 ND ND ND ND 7 8 23 2,300Table 3 footnote * ND ND 1,200Table 3 footnote * ND 1,800Table 3 footnote h 2,300Table 3 footnote * 3,400 ND ND
14-18 y 45 55 400 ND ND ND ND 7.3 9 34 2,300Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300Table 3 footnote h 2,300Table 3 footnote * 3,600 ND ND
19-30 y 45 55 400 ND ND ND 1.8 6.8 8 40 2,600Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,300Table 3 footnote * 3,600 ND ND
31-50 y 45 55 400 ND ND ND 1.8 6.8 8 40 2,600Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,300Table 3 footnote * 3,600 ND ND
51-70 y 45 55 400 ND ND ND 1.8 6.8 8 40 2,600Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,000Table 3 footnote * 3,600 ND ND
>70 y 45 55 400 ND ND ND 1.8 6.8 8 40 2,600Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 1,800Table 3 footnote * 3,600 ND ND
Pregnancy
≤18 y 49 60 400 ND ND ND ND 10.5 12 34 2,600Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300Table 3 footnote h 2,300Table 3 footnote * 3,600 ND ND
19-30 y 49 60 400 ND ND ND ND 9.5 11 40 2,900Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,300Table 3 footnote * 3,600 ND ND
31-50 y 49 60 400 ND ND ND ND 9.5 11 40 2,900Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,300Table 3 footnote * 3,600 ND ND
Lactation
≤18 y 59 70 400 ND ND ND ND 10.9 13 34 2,500Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300Table 3 footnote h 2,300Table 3 footnote * 3,600 ND ND
19-30 y 59 70 400 ND ND ND ND 10.4 12 40 2,800Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,300Table 3 footnote * 3,600 ND ND
31-50 y 59 70 400 ND ND ND ND 10.4 12 40 2,800Table 3 footnote * ND ND 1,500Table 3 footnote * ND 2,300 2,300Table 3 footnote * 3,600 ND ND

Note: These are reference values for normal, apparently healthy individuals eating a typical mixed North American diet. An individual may have physiological, health, or lifestyle characteristics that may require tailoring of specific nutrient values.

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