FERPLEX 40MG IRON PROTEIN SUCCINYLATE Oral solution FERPLEX 40MG IRON PROTEIN SUCCINYLATE This food supplement contains iron succinyl complex. Iron is a mineral found in the human body in hemoglobin from red blood cells and in myoglobin from muscle cells, where hemoglobin works to transport oxygen and carbon dioxide. Iron can be found in foods such as meat, fish, tofu, beans, spinach, grains, and other foods. It is used for iron deficiency anemia in the body.