Dietary Reference Intakes: Vitamin D (calciferols)

Special Note

[recommendations reflect vitamin D intake from all sources]

Info: recommendations based on minimal sun exposure; 40 units vitamin D = 1 mcg

General Information

[primary functions]

prohormone that maintains serum calcium, phosphorus concentrations, contributing to bone health; antiproliferation and prodifferentiation effects

[selected sources]

sun exposure, fish liver oils, fatty fish, egg yolk

Dietary Reference Intake

[0-6 mo]

400 units/day; Info: total intake >1000 units/day associated with incr. adverse effects

[7-11 mo]

400 units/day; Info: total intake >1500 units/day associated with incr. adverse effects

[1-3 yo]

600 units/day; Info: total intake >2500 units/day associated with incr. adverse effects

[4-8 yo]

600 units/day; Info: total intake >3000 units/day associated with incr. adverse effects

[9-70 yo]

600 units/day; Info: total intake >4000 units/day associated with incr. adverse effects

[>70 yo]

800 units/day; Info: total intake >4000 units/day associated with incr. adverse effects