| 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)
