Daily recommended doses according to the AAP
- Infants who are exclusively breastfed or receive less than 1 liter of formula daily: 400 IU Vitamin D daily starting in the first few days of life
- Children and adolescents require 600 IU Vitamin D daily
- One cup of vitamin D fortified milk contains 100-125 IU
- Most multivitamins provide 300-600 IU