Copper is an essential and cofactor in various enzymes involved in energy production and other physiological reactions. Adequate copper levels are required for proper iron metabolism, red blood cell formation, and nervous system function. Copper is involved in building flexible, healthy connective tissue in the joints, bones, and heart. It may also support immune health through its role as a component of superoxide dismutase, a physiological antioxidant. Bio-Innovations Cu 1.5mg is formulated using copper citrate, delivering absorbable copper as a beautiful blue encapsulated powder – no artificial colors added!