Copper toxicity does NOT exist! That is bio-available copper toxicity does not exist. Supplementing zinc depletes copper status. That is why it is known that taking zinc supplements suppresses the immune system. Bio-available copper is THE nutrient for a completely healthy immune system.
Copper is THE nutrient that rids the body of ALL toxic substances; chemical and thus biological – disease. Search: "The ability of copper to easily accept and donate electrons explains its important role in oxidation-reduction (redox) reactions and the scavenging of free radicals."
Copper removes ALL trash metals that we have been poisoned with for many generations. Iron is a poison metal that is readily removed by replenishing copper. Iron is THE nutrient for all pathogens: http://www.unveilingthem.com/IronFacilitatesPathogenGrowth.htm
About 95% of the US population has been iron poisoned and copper depleted, copper deprived.