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Calcium, Phosphorus, Magnesium, Vitamin D and Fluoride
Institute of Medicine April 13, 1997

- Recommended Dietray Allowances (RDAs) meets the needs of almost all healthy individuals.
- Adequate Intakes (AIs) when inadequate evidence exists to be certain of the RDA.
*Denotes AI
Calcium
mg
Phosphorus
mg
Magnesium
mcg
Vitamin D
mcg
Fluoride
mg
Infants
0-6 mos
210*
100*
30*
5.0*
0.01*
7-12 mos
270*
275*
75*
5.0*
0.5*
Children
1-3
500*
460
80
5.0*
0.7*
4-8
800*
500
130
5.0*
0.7*
Males
9-13
1300*
1250
240
5.0*
2.0*
14-18
1300*
1250
410
5.0*
3.0*
19-30
1000*
700
400
5.0*
4.0*
31-50
1000*
700
420
5.0*
4.0*
51-70
1200*
700
420
10*
4.0*
Over 70
1200*
700
420
15*
4.0*
Females
9-13
1300*
1250
240
5.0*
2.0*
14-18
1300*
1250
360
5.0*
3.0*
19-30
1000*
700
310
5.0*
3.0*
31-50
1000*
700
320
5.0*
3.0*
51-70
1200*
700
320
10*
3.0*
Over 70
1200*
700
320
15*
3.0*
Pregnant
14-18
1300*
1250
400
5.0*
3.0*
19-30
1000*
700
350
5.0*
3.0*
31-50
1000*
700
360
5.0*
3.0*
Lactating
14-18
1300*
1250
360
5.0*
3.0*
19-30
1000*
700
310
5.0*
3.0*
31-50
1000*
700
320
5.0*
3.0*


Tolerable Upper Intake Levels (ULs)
Calcium
mg
Phosphorus
grams
Magnesium
mg
Vitamin D
mcg
Fluoride
mg
Infants
0-6 mos
ND
ND
ND
25
0.7
7-12 mos
ND
ND
ND
25
0.9
Children
1-3
2500
3.0
65
50
1.3
4-8
2500
3.0
110
50
2.2
9-18
2500
4.0
350
50
10
Adults
19-70
2500
4.0
350
50
10
Over 70
2500
3.0
350
50
10
Pregnant
14-18
2500
3.5
350
50
10
Lactating
14-18
2500
4.0
350
50
10

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