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Thiamine (B1), Ribloflavin (B2), Niacin (B3), Vitamin B6 (Pryidoxine), Folate, Vitamin B12, Pantothenic Acid (B5), Biotin and Choline
Institute of Medicine April 7, 1998

- 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
Thiamine
mg
Riboflavin
mg
Niacin
mg
Vit B6
mg
Folate
mcg
Vit B12
mcg
Vit B5
mg
Biotin
mcg
Choline
mg
Infants
0-6 mos
0.2*
0.3*
2*
.01*
65*
0.4*
1.7*
5*
125*
7-12 mos
0.3*
0.4*
4*
0.3*
80*
0.5*
1.8*
6*
150*
Children
1-3
0.5
0.5
6
0.5
150
0.9
2.0*
8*
200*
4-8
0.6
0.6
8
0.6
200
1.2
3.0*
12*
250*
Males
9-13
0.9
0.9
12
1.0
300
1.8
4.0*
20*
375*
14-18
1.2
1.2
16
1.3
400
2.4
5.0*
25*
550*
19-50
1.2
1.3
16
1.3
400
2.4
5.0*
30*
550*
Over 51
1.2
1.3
16
1.7
400
2.4
5.0*
30*
550*
Females
9-13
0.9
0.9
12
1.0
300
1.8
4.0*
20*
375*
14-18
1.0
1.0
14
12
400
2.4
5.0*
25*
400*
19-50
1.1
1.1
14
1.3
400
2.4
5.0*
30*
425*
Over 51
1.1
1.1
14
1.5
400
2.4
5.0*
30*
425*
Pregnant
Over 14
1.4
1.4
18
1.9
600
2.6
6.0*
30*
450*
Lactating
Over 14
1.4
1.6
17
2.0
500
2.8
7.0*
35*
550*


Tolerable Upper Intake Levels (ULs)
Niacin
mg
Vit B6
mg
Folate
mcg
Choline
Gram
Infants
0-12 mos
ND
ND
ND
ND
Children
1-3
10
30
300
1.0
4-8
15
40
400
1.0
9-13
20
60
600
2.0
14-18
30
80
800
3.0
Adults
Over 19
35
100
1000
3.5
Pregnant
14-18
30
80
800
3.0
Over 19
35
100
1000
3.5
Lactating
14-18
30
80
800
3.0
Over 19
35
100
100
3.5
ULs for B1, B2, B12, B5, Biotin not determined
ND = Not Determined

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