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OCR for page 287
DRI DIETARY REFERENCE INTAKES: Applications in Dietary Assessment
FOOD AND NUTRITION BOARD, INSTITUTE OF MEDICINE—NATIONAL ACADEMY OF SCIENCES DIETARY REFERENCE INTAKES: RECOMMENDED INTAKES FOR INDIVIDUALS
Life Stage Group
Calcium (mg/d)
Phosphorus (mg/d)
Magnesium (mg/d)
Vitamin D (μg/d)a ,b
Fluoride (mg/d)
Thiamin (mg/d)
Infants
0–6 mo
210*
100*
30*
5*
0.01*
0.2*
7–12 mo
270*
275*
75*
5*
0.5*
0.3*
Children
1–3 y
500*
460
80
5*
0.7*
0.5
4–8 y
800*
500
130
5*
1*
0.6
Males
9–13 y
1,300*
1,250
240
5*
2*
0.9
14–18 y
1,300*
1,250
410
5*
3*
1.2
19–30 y
1,000*
700
400
5*
4*
1.2
31–50 y
1,000*
700
420
5*
4*
1.2
51–70 y
1,200*
700
420
10*
4*
1.2
> 70 y
1,200*
700
420
15*
4*
1.2
Females
9–13 y
1,300*
1,250
240
5*
2*
0.9
14–18 y
1,300*
1,250
360
5*
3*
1.0
19–30 y
1,000*
700
310
5*
3*
1.1
31–50 y
1,000*
700
320
5*
3*
1.1
51–70 y
1,200*
700
320
10*
3*
1.1
> 70 y
1,200*
700
320
15*
3*
1.1
Pregnancy
≤ 18 y
1,300*
1,250
400
5*
3*
1.4
19–30 y
1,000*
700
350
5*
3*
1.4
31–50 y
1,000*
700
360
5*
3*
1.4
Lactation
≤ 18 y
1,300*
1,250
360
5*
3*
1.4
19–30 y
1,000*
700
310
5*
3*
1.4
31–50 y
1,000*
700
320
5*
3*
1.4
NOTE: This table presents Recommended Dietary Allowances (RDAs) in bold type and Adequate Intakes (AIs) in ordinary type followed by an asterisk (*). RDAs and AIs may both be used as goals for individual intake. RDAs are set to meet the needs of almost all (97 to 98 percent) individuals in a group. For healthy breastfed infants, the AI is the mean intake. The AI for other life-stage and gender groups is believed to cover needs of all individuals in the group, but lack of data or uncertainty in the data prevent being able to specify with confidence the percentage of individuals covered by this intake.
a As calciferol. 1 μg calciferol = 40 IU vitamin D.
b In the absence of adequate exposure to sunlight.
c As niacin equivalents (NE). 1 mg of niacin = 60 mg of tryptophan; 0–6 months = preformed niacin (not NE).
OCR for page 288
DRI DIETARY REFERENCE INTAKES: Applications in Dietary Assessment
Riboflavin (mg/d)
Niacin (mg/d)c
Vitamin B6 (mg/d)
Folate (μg/d)d
Vitamin B12 (μg/d)
Pantothenic Acid (mg/d)
Biotin (μg/d)
0.3*
2*
0.1*
65*
0.4*
1.7*
5*
0.4*
4*
0.3*
80*
0.5*
1.8*
6*
0.5
6
0.5
150
0.9
2*
8*
0.6
8
0.6
200
1.2
3*
12*
0.9
12
1.0
300
1.8
4*
20*
1.3
16
1.3
400
2.4
5*
25*
1.3
16
1.3
400
2.4
5*
30*
1.3
16
1.3
400
2.4
5*
30*
1.3
16
1.7
400
2.4g
5*
30*
1.3
16
1.7
400
2.4g
5*
30*
0.9
12
1.0
300
1.8
4*
20*
1.0
14
1.2
400h
2.4
5*
25*
1.1
14
1.3
400h
2.4
5*
30*
1.1
14
1.3
400h
2.4
5*
30*
1.1
14
1.5
400
2.4g
5*
30*
1.1
14
1.5
400
2.4g
5*
30*
1.4
18
1.9
600i
2.6
6*
30*
1.4
18
1.9
600i
2.6
6*
30*
1.4
18
1.9
600i
2.6
6*
30*
1.6
17
2.0
500
2.8
7*
35*
1.6
17
2.0
500
2.8
7*
35*
1.6
17
2.0
500
2.8
7*
35*
d 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.
e Although AIs have been set for choline, there are few data to assess whether a dietary supply of choline is needed at all stages of the life cycle, and it may be that the choline requirement can be met by endogenous synthesis at some of these stages.
f As α-tocopherol, α-Tocopherol 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.
OCR for page 289
DRI DIETARY REFERENCE INTAKES: Applications in Dietary Assessment
Cholinee (mg/d)
Vitamin C (mg/d)
Vitamin Ef (mg/d)
Selenium (μg/d)
Life Stage Group
Infants
125*
40*
4*
15*
0–6 mo
150*
50*
5*
20*
7–12 mo
Children
200*
15
6
20
1–3 y
250*
25
7
30
4–8 y
Males
375*
45
11
40
9–13 y
550*
75
15
55
14–18 y
550*
90
15
55
19–30 y
550*
90
15
55
31–50 y
550*
90
15
55
51–70 y
550*
90
15
55
> 70 y
Females
375*
45
11
40
9–13 y
400*
65
15
55
14–18 y
425*
75
15
55
19–30 y
425*
75
15
55
31–50 y
425*
75
15
55
51–70 y
425*
75
15
55
> 70 y
Pregnancy
450*
80
15
60
≤ 18 y
450*
85
15
60
19–30 y
450*
85
15
60
31–50 y
Lactation
550*
115
19
70
≤ 18 y
550*
120
19
70
19–30 y
550*
120
19
70
31–50 y
g Because 10 to 30 percent of older people may malabsorb food-bound B12, it is advisable for those older than 50 years to meet their RDA mainly by consuming foods fortified with B12 or a supplement containing B12.
h In view of evidence linking folate intake with neural tube defects in the fetus, it is recommended that all women capable of becoming pregnant consume 400 μg from supplements or fortified foods in addition to intake of food folate from a varied diet.
i It is assumed that women will continue consuming 400 μg from supplements or fortified food until their pregnancy is confirmed and they enter prenatal care, which ordinarily occurs after the end of the periconceptional period—the critical time for formation of the neural tube.
Representative terms from entire chapter:
dietary reference
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