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FOOD AND NUTRITION BOARD, INSTITUTE OF MEDICINE—NATIONAL ACADEMY OF SCIENCES DIETARY REFERENCE INTAKES: ESTIMATED AVERAGE REQUIREMENTS

Life Stage Group

Phosphorus (mg/d)

Magnesium (mg/d)

Thiamin (mg/d)

Riboflavin (mg/d)

Niacin (mg/d)a

Children

1–3 y

380

65

0.4

0.4

5

4–8 y

405

110

0.5

0.5

6

Males

9–13 y

1,055

200

0.7

0.8

9

14–18 y

1,055

340

1.0

1.1

12

19–30 y

580

330

1.0

1.1

12

31–50 y

580

350

1.0

1.1

12

51–70 y

580

350

1.0

1.1

12

> 70 y

580

350

1.0

1.1

12

Females

9–13 y

1,055

200

0.7

0.8

9

14–18 y

1,055

300

0.9

0.9

11

19–30 y

580

255

0.9

0.9

11

31–50 y

580

265

0.9

0.9

11

51–70 y

580

265

0.9

0.9

11

> 70 y

580

265

0.9

0.9

11

Pregnancy

≤ 18 y

1,055

335

1.2

1.2

14

19–30 y

580

290

1.2

1.2

14

31–50 y

580

300

1.2

1.2

14

Lactation

≤ 18 y

1,055

300

1.2

1.3

13

19–30 y

580

255

1.2

1.3

13

31–50 y

580

265

1.2

1.3

13

NOTE: This table presents Estimated Average Requirements (EARs), which serve two purposes: for assessing adequacy of population intakes, and as the basis for calculating Recommended Dietary Allowances (RDAs) for individuals for those nutrients. EARs have not been established for calcium, vitamin D, fluoride, pantothenic acid, biotin, or choline, or other nutrients not yet evaluated via the Dietary Reference Intake (DRI)

a As niacin equivalents (NE). 1 mg of niacin = 60 mg of tryptophan.

b As dietary folate equivalents (DFE). 1 DFE = 1 μg food folate = 0.6 μg of folic acid from fortified food or as a supplement consumed with food = 0.5 μg of a supplement taken on an empty stomach.



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OCR for page 282
DRI DIETARY REFERENCE INTAKES: Applications in Dietary Assessment FOOD AND NUTRITION BOARD, INSTITUTE OF MEDICINE—NATIONAL ACADEMY OF SCIENCES DIETARY REFERENCE INTAKES: ESTIMATED AVERAGE REQUIREMENTS Life Stage Group Phosphorus (mg/d) Magnesium (mg/d) Thiamin (mg/d) Riboflavin (mg/d) Niacin (mg/d)a Children 1–3 y 380 65 0.4 0.4 5 4–8 y 405 110 0.5 0.5 6 Males 9–13 y 1,055 200 0.7 0.8 9 14–18 y 1,055 340 1.0 1.1 12 19–30 y 580 330 1.0 1.1 12 31–50 y 580 350 1.0 1.1 12 51–70 y 580 350 1.0 1.1 12 > 70 y 580 350 1.0 1.1 12 Females 9–13 y 1,055 200 0.7 0.8 9 14–18 y 1,055 300 0.9 0.9 11 19–30 y 580 255 0.9 0.9 11 31–50 y 580 265 0.9 0.9 11 51–70 y 580 265 0.9 0.9 11 > 70 y 580 265 0.9 0.9 11 Pregnancy ≤ 18 y 1,055 335 1.2 1.2 14 19–30 y 580 290 1.2 1.2 14 31–50 y 580 300 1.2 1.2 14 Lactation ≤ 18 y 1,055 300 1.2 1.3 13 19–30 y 580 255 1.2 1.3 13 31–50 y 580 265 1.2 1.3 13 NOTE: This table presents Estimated Average Requirements (EARs), which serve two purposes: for assessing adequacy of population intakes, and as the basis for calculating Recommended Dietary Allowances (RDAs) for individuals for those nutrients. EARs have not been established for calcium, vitamin D, fluoride, pantothenic acid, biotin, or choline, or other nutrients not yet evaluated via the Dietary Reference Intake (DRI) a As niacin equivalents (NE). 1 mg of niacin = 60 mg of tryptophan. b As dietary folate equivalents (DFE). 1 DFE = 1 μg food folate = 0.6 μg of folic acid from fortified food or as a supplement consumed with food = 0.5 μg of a supplement taken on an empty stomach.

OCR for page 282
DRI DIETARY REFERENCE INTAKES: Applications in Dietary Assessment Vitamin B6 (mg/d) Folate (μg/d)b Vitamin B12 (μg/d) Vitamin C (mg/d)c Vitamin E (mg/d) Selenium (μg/d) 0.4 120 0.7 13 5 17 0.5 160 1.0 22 6 23 0.8 250 1.5 39 9 35 1.1 330 2.0 63 12 45 1.1 320 2.0 75 12 45 1.1 320 2.0 75 12 45 1.4 320 2.0 75 12 45 1.4 320 2.0 75 12 45 0.8 250 1.5 39 9 35 1.0 330 2.0 56 12 45 1.1 320 2.0 60 12 45 1.1 320 2.0 60 12 45 1.3 320 2.0 60 12 45 1.3 320 2.0 60 12 45 1.6 520 2.2 66 12 49 1.6 520 2.2 70 12 49 1.6 520 2.2 70 12 49 1.7 450 2.4 96 16 59 1.7 450 2.4 100 16 59 1.7 450 2.4 100 16 59 c As α-tocopherol. α-Tococpherol includes RRR-α-tocopherol, the only form of α-tocopherol that occurs naturally in foods, and the 2R-stereoisomeric forms of α-tocopherol (RRR-, RSR-, RRS-, and RSS-α-tocopherol) that occur in fortified foods and supplements. It does not include the 2S-stereoisomeric forms of α-tocopherol (SRR-, SSR-, SRS-, and SSS-α-tocopherol), also found in fortified foods and supplements. Copyright 2000 by the National Academy of Sciences. All rights reserved.