Pure Encapsulations Copper (glycinate) 2 mg 60 vcaps activates a number of enzymes important to energy metabolism. It is the key mineral in lysyl oxidase, an enzyme which weaves together collagen and elastin. Copper assists in the formation of hemoglobin and red blood cells by facilitating iron absorption. It is involved in protein metabolism, the production of RNA, and the synthesis of phospholipids used in the formation of myelin sheaths. Copper is an essential trace mineral which supports a number of crucial physiological processes.