Serena Nutrition offers a range of high purity carbonates, citrates, chlorides, gluconates, phosphates, sulfates and oxides that can be used in dietary supplements, nutrients, and pharmaceutical applications. Manganese is important in the breakdown of amino acids and the production of energy. It activates various enzymes for proper digestion and utilization of foods. Manganese also helps nourish the nerves and brain and is necessary for normal skeletal development.