Method of treating hyperglycemia induced Red Blood Cell Disease/Dysfunction (RBCD) caused by generation of early and late glycation end products. Method of treating hemolytic anemia, smoldering hemolytic anemia, sickle cell anemia, hemorrhagic diseases, hemorrhagic stroke, hemorrhagic bleeding. Method of treating RBCD to prevent progression to diabetes associated vascular complications referred to as Syndrome X, particularly to prevent progression to chronic kidney disease, coronary vascular disease, and peripheral vascular disease.