Liquid Ionic Copper by Trace Minerals 2 oz Liquid Ionic Copper 2 oz Liquid Ionic Copper provides 150 of the Daily Value of copper per serving plus over 72 naturally occurring ionic trace minerals. Copper is an important mineral that helps to activate the antioxidant enzyme superoxide dismutase. Copper also plays an important role in many physiological processes including the healthy formation of red blood cells proper enzymatic reactions efficient utilization of iron and maintaining healthy connective tissue hair and eyes.