Group |
Particulars |
RDA (mg/day) |
Men |
Sedentary Work |
16 |
Moderate Work |
18 |
Heavy Work |
21 |
Women |
Sedentary Work |
12 |
Moderate Work |
14 |
Heavy Work |
16 |
Pregnant Woman |
+2 |
Lactation |
0-6 months |
+4 |
6-12 months |
+3 |
Infants |
0-6 months |
710 mg/kg |
6-12 months |
650 mg/kg |
Children |
1-3 years |
8 |
4-6 years |
11 |
7-9 years |
13 |
Boys |
10-12 years |
15 |
Girls |
10-12 years |
13 |
Boys |
13-15 years |
16 |
Girls |
13-15 years |
14 |
Boys |
16-18 years |
17 |
Girls |
16-18 years |
14 |
Life Stage Group |
RDA (μg NE*/day) |
UL* (μg NE*/day) |
Infants |
0-6 months |
2 (AI*) |
ND* |
7-12 months |
4 (AI*) |
ND* |
Children |
1-3 y |
6 |
10 |
4-8 y |
8 |
15 |
Males |
9-13 y |
12 |
20 |
14-18 y |
16 |
30 |
19-30 y |
16 |
35 |
31-50 y |
16 |
35 |
51-70 y |
16 |
35 |
>70 y |
16 |
35 |
Females |
9-13 y |
12 |
20 |
14-18 y |
14 |
30 |
19-30 y |
14 |
35 |
31-50 y |
14 |
35 |
51-70 y |
14 |
35 |
>70 y |
14 |
35 |
Pregnancy |
£18 y |
18 |
30 |
19-30 y |
18 |
35 |
31-50 y |
18 |
35 |
Lactating |
£18 y |
17 |
30 |
19-30 y |
17 |
35 |
31-50 y |
17 |
35 |
*Abbreviations AI = Adequate intake UL = Tolerable upper intake level ND = Not determinable due to lack of data NE = Niacin equivalents (NE) 1mg niacin = 60 mg tryptophan, 0 to 6 months = preformed niacin (not NE)