Dietary Reference Intakes: Vitamin B1 (thiamine)

Special Note

[recommendations reflect vitamin B1 intake from all sources]

General Information

[primary functions]

coenzyme in carbohydrate, branched-chain amino acid metabolism

[selected sources]

whole grains, pork

Dietary Reference Intake

[0-6 mo]

0.2 mg/day; Info: upper limit not established, potential for adverse effects with high intake

[7-11 mo]

0.3 mg/day; Info: upper limit not established, potential for adverse effects with high intake

[1-3 yo]

0.5 mg/day; Info: upper limit not established, potential for adverse effects with high intake

[4-8 yo]

0.6 mg/day; Info: upper limit not established, potential for adverse effects with high intake

[9-13 yo]

0.9 mg/day; Info: upper limit not established, potential for adverse effects with high intake

[14 yo and older, males]

1.2 mg/day; Info: upper limit not established, potential for adverse effects with high intake

[14-18 yo, females]

1 mg/day; Info: incr. to 1.4 mg/day if pregnant or breastfeeding; upper limit not established, potential for adverse effects with high intake

[19 yo and older, females]

1.1 mg/day; Info: incr. to 1.4 mg/day if pregnant or breastfeeding; upper limit not established, potential for adverse effects with high intake