Dietary Reference Intakes for Vitamin B3 (Niacin) in Japan (per day)

Males	EAR	RDA	AI	UL
0-5 months	-	-	2 mg	-
6-11 months	-	-	3 mg	-
1-2 years	5 mg	5 mg	-	60 mg
3-5 years	6 mg	7 mg	-	80 mg
6-7 years	7 mg	9 mg	-	100 mg
8-9 years	9 mg	11 mg	-	150 mg
10-11 years	11 mg	13 mg	-	200 mg
12-14 years	12 mg	15 mg	-	250 mg
15-17 years	14 mg	16 mg	-	300 mg
18-29 years	13 mg	15 mg	-	300 mg
30-49 years	13 mg	15 mg	-	350 mg
50-69 years	12 mg	14 mg	-	350 mg
70 years and older	11 mg	13 mg	-	300 mg

Females	EAR	RDA	AI	UL
0-5 months	-	-	2 mg	-
6-11 months	-	-	3 mg	-
1-2 years	4 mg	5 mg	-	60 mg
3-5 years	6 mg	7 mg	-	80 mg
6-7 years	7 mg	8 mg	-	100 mg
8-9 years	8 mg	10 mg	-	150 mg
10-11 years	10 mg	12 mg	-	200 mg
12-14 years	12 mg	14 mg	-	250 mg
15-17 years	11 mg	13 mg	-	250 mg
18-29 years	9 mg	11 mg	-	250 mg
30-49 years	10 mg	12 mg	-	250 mg
50-69 years	9 mg	11 mg	-	250 mg
70 years and older	8 mg	10 mg	-	250 mg

Lactation	EAR	RDA	AI	UL
12-14 years	15 mg	17 mg	-	-
15-17 years	14 mg	16 mg	-	-
18-29 years	12 mg	14 mg	-	-
30-49 years	13 mg	15 mg	-	-
50-69 years	12 mg	14 mg	-	-