Do I need to supplement Vitamin D if I drink fortified milk?

Written by and verified by the Examine.com Research Team. Last updated on Dec 30, 2011.

Yes.

Recommended dosage for Vitamin D is between 2000-6000 IU/day. Fortified milk has roughly 100 IU/8oz (a glass of milk).

Unless one is drinking 20+ glasses of milk a day, supplementation will be required.