OverviewRiboflavin, also called vitamin B2, releases energy from carbohydrates. B2 is destroyed by exposure to light, therefore foods with riboflavin should be keep in dark or opaque containers.
Update Date 2/2/2015
Updated by: Emily Wax, RD, The Brooklyn Hospital Center, Brooklyn, NY. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.