Advanced Nutrition by Zahler Iron Complex 100 capsDescription Iron Complex is a complete blood building iron supplement that contains the full spectrum of nutrients required for hemoglobin formation and the production of red blood cells. Zahlers Iron Complex contains Ferrochel, the most effective and safest form of iron with superior bioavailability. An easy to digest, easy on the stomach formula, Iron Complex addresses the different forms of nutritionally related deficiencies of Iron, Folic Acid and