Iron Ferrous Bisglycinate Chelate is the best form of Iron. Iron is essential for energy production, maintenance of a healthy immune system, fatty acid metabolism, oxygen transport and storage in the blood and muscles. The principal use of Iron is in the treatment and prevention of Iron Deficiency Anemia (IDA). There are many forms of iron in which Iron Ferrous Bisglycinate Chelate can be 2.5-3.4 times more bioavailable than ferrous sulfate