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Manganese is a part of many enzyme systems, including the enzymes involved in blood sugar control, energy metabolism, and thyroid hormone function. Manganese also participates in the antioxidant enzyme, superoxide dismutase, or SOD.
Manganese is a chemical element with the atomic number of 25 and is represented by the symbol Mn. It is the 12th most common element found in the crust of the Earth.Manganese is a metal that can be found in its free form on Earth, often combined with iron, as well as in many minerals. Manganese is essential in the production of steel and iron and this makes up the most common use of this metal. 2  It improves the workability of the steel when it reaches high temperatures.