 This phenomenon of phosphorus deficiency has not been documented in the commonly used preparations of iron sucrose venofer and ferric gluconate ferrlecit. These non-dextran iron preparations have a very low rate of allergic reactions and adverse events. They are used in various cases of iron deficiency anemia with normal renal function, such as patients with Inflammatory bowel disease , diabetics or in people who cannot tolerate oral iron therapy. Moreover, certain oral iron preparations are under investigation at present for their role as phosphorus binders. 