Dietary Reference Intakes for Vitamin B1 (Thiamin) in United States (per day)

Males	EAR	RDA	AI
0-6 months	-	-	0.2 mg
7-12 months	-	-	0.3 mg
1-3 years	0.4 mg	0.5 mg	-
4-8 years	0.5 mg	0.6 mg	-
9-13 years	0.7 mg	0.9 mg	-
14-18 years	1 mg	1.2 mg	-
19-30 years	1 mg	1.2 mg	-
31-50 years	1 mg	1.2 mg	-
50-70 years	1 mg	1.2 mg	-
70 years and older	1 mg	1.2 mg	-

Females	EAR	RDA	AI
0-6 months	-	-	0.2 mg
7-12 months	-	-	0.3 mg
1-3 years	0.4 mg	0.5 mg	-
4-8 years	0.5 mg	0.6 mg	-
9-13 years	0.7 mg	0.9 mg	-
14-18 years	0.9 mg	1 mg	-
19-30 years	0.9 mg	1.1 mg	-
31-50 years	0.9 mg	1.1 mg	-
50-70 years	0.9 mg	1.1 mg	-
70 years and older	0.9 mg	1.1 mg	-

Pregnancy	EAR	RDA	AI
less than 18 years	1.2 mg	1.4 mg	-
19-30 years	1.2 mg	1.4 mg	-
31-50 years	1.2 mg	1.4 mg	-

Lactation	EAR	RDA	AI
less than 18 years	1.2 mg	1.4 mg	-
19-30 years	1.2 mg	1.4 mg	-
31-50 years	1.2 mg	1.4 mg	-