About copperthird most abundant essential trace mineral, a cofactor for many proteins, iron utilization enhancer, copper deficiency.mechanism of action of coppercopper is one of a relatively small group of metallic elements which are essential to human health. these elements, along with amino and fatty acids as well as vitamins, are required for normal metabolic processesindications for copper1. as a supplement for the prevention of cardiovascular disease, anemia, to enhance immunity, and to treat arthritis.side effects of copper1.breathing problems 2.chest pain 3.skin hives 4.rash 5.swollen skin 6.upset stomach