Riboflavin, 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.
Review Date 2/2/2019
Updated by: Emily Wax, RD, CNSC, University of Virginia Health System, Charlottesville, VA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.