Cytochrome b5 reductase is a blood enzyme that serves to maintain adequate iron levels in the red blood cells to maximize their oxygen-carrying capacity.
Review Date 2/12/2016
Updated by: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.