Life Eternal Copper Jewelry By Ntr Ka … Custom Made and will last a lifetime …more than jewelry… Energy , Protection and much more is what you receive when you connect to these pieces. Copper is an essential trace mineral critical for energy production, iron absorption, and the formation of red blood cells, collagen, and connective tissues. It supports immune function, brain development, nervous system health, and provides antioxidant effects… Ancient People Utilized copper for many reasons , it is a very healing metal , do your own research and don’t miss out on all the benefits this metal can bring to you.