A method for reducing hemolysis and microparticle formation during storage of pathogen reduced blood. Oxygen reduced blood compositions comprising SAGM and riboflavin having reduced hemolysis. Oxygen reduced blood compositions comprising SAGM and riboflavin having reduced microparticles. Oxygen and pathogen reduced blood compositions comprising CPAD and riboflavin having reduced hemolysis. Oxygen and pathogen reduced blood compositions comprising SAGM and riboflavin having reduced microparticles.