Table 1.

Dietary reference intakes for thiamine

Life‐stage group	Adequate intake, mg/day	Estimated average requirement, mg/day	Recommended dietary allowance, mg/day
Infants
0−6 months	0.2	–	–
7−12 months	0.3	–	–
Children
1−3 years	–	0.4	0.5
4−8 years	–	0.5	0.6
Female
9−13 years	–	0.7	0.9
14−18 years	–	0.9	1.0
≥19 years	–	0.9	1.1
Pregnant (14−50 years)	–	1.2	1.4
Lactating (14−50 years)	–	1.2	1.4
Male
9−13 years	–	0.7	0.9
14−18 years	–	1.0	1.2
≥19 years	–	1.0	1.2

Note: Owing to a lack of evidence of adverse effects at high doses, the Institute of Medicine has not established a tolerable upper intake level (UL) for thiamine.¹²