<p>Non-dextran, IV is a colloidal iron hydroxide in complex with carboxymaltose, a carbohydrate polymer that releases iron; replaces iron stores found in hemoglobin, myoglobin, and enzymes; works to transport oxygen via hemoglobin Macrophage engulf FCM from blood and control iron release. Transferrin saturates and, Iron into the liver, spleen and Bone marrow.</p>