Astyfer is gentle iron supplement with amino acids and vitamin B complex, formulated to deliver an ideal amount of iron to the body while remaining gentle on the stomach. It provides an ideal source of iron and other nutrients for the normal production of red blood Cells, to help maintain energy levels, health and vitality. Astyfer is gentle iron supplement with amino acids and vitamin complex, formulated to deliver an ideal amount of iron to the body while remaining gentle on the stomach. It provides an ideal source of iron and other nutrients for the normal production of red blood cells, to help maintain energy levels, health and vitality. TheGHL Advantage - Critical for Healthy Blood Glycine: Essential for the formation of harem which carries the iron and oxygen in their blood cell. Histidine: Helps to manufacture red and white blood cells. Red blood cells are oxygen-carrying cells. White blood cells are part of our immune system. They protect our body from harmful microorganisms(infection). Lysine: Essential to the formation of proteins like the globin protein found in hemoglobin. Deficiency results intiredness,dizziness and anemia.