https://ods.od.nih.gov/factsheets/Copper-Consumer “Copper in dietary supplements is often in the forms of cupric oxide, cupric sulfate, copper amino acid chelates, and copper gluconate. It is not known whether one form of copper is better than another.” “Copper deficiency can cause extreme tiredness, lightened patches of skin, high levels of cholesterol in the blood, and connective tissue … Continue reading Chapter 38: Government (USA) Articles