Copper gluconate delivers a highly absorbable form of copper, an essential trace mineral. You need copper for energy production, iron handling, proper immune responses, and building connective tissue. People typically take it when a test shows low copper, which can happen with poor absorption, certain diets, or long term high dose zinc use. Routine supplementation without a confirmed need makes little sense for most people.
Take your dose with a meal to keep your stomach happy. Look at the elemental copper amount on the label. Common daily doses supply 1 to 2 mg of elemental copper. The safe upper limit for adults sits at 10 mg per day, counting both food and supplements.
Skip copper supplements entirely if you have Wilson disease or any condition that causes copper to build up. Too much copper can cause nausea and serious liver harm. Zinc can block copper absorption, so separate zinc and copper doses by at least two hours.