The late Dr. Leo Zacharski, who was an expert in iron metabolism, says that a ferritin between 50 - 100 is the optimal range. His research revealed that the body cannot make use of a ferritin above 80 to increase hemoglobin levels, or red blood cell formation. I know this goes against the grain of thought of many on this forum, but too much ferritin is as damaging and dangerous as too little according to Zacharski.I've been off and on trt a few times over the years. Off trt my ferritin runs about 150. Been on trt this run about a year it has dropped to 51. Would vitamin c be enough to boost the levels up to a more optimal level ?