OptiFerin-CItem Description Contains Ferrochel iron bis glycinate combined with Ester C mineral ascorbate for enhanced absorption to promote healthy ferritin, hemoglobin and red blood cell function* Ferrochel brand iron bis glycinate was developed using unique patented chemistry, allowing it to be absorbed rapidly from the lumen of the intestines into mucosal cells and then released for transport throughout the body. The intestinal mucosal tissue tightly