Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, brittle metal that is essential for many biological processes. Manganese plays a crucial role in the formation of bones and helps the body metabolize carbohydrates and fats. It is commonly found in minerals and is often used in steel production to improve strength and durability. In nature, manganese is usually found in combination with other elements, such as iron and oxygen. It is an important trace element in our diet, found in foods like nuts, seeds, and leafy green vegetables. Adequate manganese intake supports overall health and helps prevent deficiencies.