Dietary Reference Intakes: Vitamin B6 (pyridoxine)

Special Note

[recommendations reflect vitamin B6 intake from all sources]

General Information

[primary functions]

coenzyme involved in the metabolism of amino acids, glycogen, sphingoid bases

[selected sources]

chickpeas, organ meats, fish, poultry, potatoes, bananas

Dietary Reference Intake

[0-6 mo]

0.1 mg/day; Info: upper limit not established; only sources of intake should be breastmilk, formula, and food

[7-11 mo]

0.3 mg/day; Info: upper limit not established; only sources of intake should be breastmilk, formula, and food

[1-3 yo]

0.5 mg/day; Info: total intake >30 mg/day associated with incr. adverse effects

[4-8 yo]

0.6 mg/day; Info: total intake >40 mg/day associated with incr. adverse effects

[9-13 yo]

1 mg/day; Info: total intake >60 mg/day associated with incr. adverse effects

[14-18 yo, females]

1.2 mg/day; Info: incr. to 1.9 mg/day if pregnant, 2 mg/day if breastfeeding; total intake >80 mg/day associated with incr. adverse effects

[14-18 yo, males]

1.3 mg/day; Info: total intake >80 mg/day associated with incr. adverse effects

[19-50 yo]

1.3 mg/day; Info: incr. to 1.9 mg/day if pregnant, 2 mg/day if breastfeeding; total intake >100 mg/day associated with incr. adverse effects

[51 yo and older, females]

1.5 mg/day; Info: total intake >100 mg/day associated with incr. adverse effects

[51 yo and older, males]

1.7 mg/day; Info: total intake >100 mg/day associated with incr. adverse effects