Copper is an essential trace mineral that supports a number of crucial physiological processes.Copper activates a number of enzymes important to energy metabolism. It is the key mineral in lysyl oxidase, an enzyme that weaves together collagen and elastin. Copper assists in the formation of hemoglobin and red blood cells by facilitating iron absorption. It is a key component of two key antioxidant enzymes, ceruloplasmin and superoxide dismutase. It is also used in the production of RNA and the synthesis of phospholipids for formation of myelin sheaths.Copper is sourced naturally from earthen ore. Citrate (copper citrate only) is derived from corn dextrose fermentation. Glycine (copper glycinate only) is synthetic. Hypo-allergenic plant fiber is derived from pine cellulose.SUGGESTED USAGEPure Encapsulations recommends 1-2 capsules per day, in divided doses, with meals.INGREDIENTSEach vegetable capsule contains:copper (as copper glycinate)2 mg.other ingredients: hypoallergenic plant fiber (cellulose), vegetarian capsule (cellulose, water)WARNINGSIf pregnant or lactating, consult your physician before taking this product. Copper has been associated with GI upset, nausea, diarrhea or vomiting. Consult your physician for more information.Copper should be taken separately from Penicillamine by at least 2 hours. Consult your physician for more information.