“Copper?”Here!
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As a supplement
Talk to your doctor or pharmacist.
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Copper is a trace mineral required for enzymes involved in iron metabolism, connective tissue formation, and antioxidant defense.
Why it’s used
Taken to meet daily copper requirements, usually as part of a broader multivitamin-mineral formulation.
What the evidence is for
correcting copper deficiency.
What the evidence says
NIH ODS describes copper as essential, with deficiency uncommon in people eating a varied diet. Evidence for benefits from copper supplementation beyond correcting deficiency is limited.
Dose studied
900–10000 mcg — adult RDA up to tolerable upper intake level, per NIH ODS.
Context
Adult intake recommendations are 900 mcg per day, with a tolerable upper intake level of 10,000 mcg (10 mg) per day.
Rumors
Correcting copper deficiency, which causes anemia, loss of skin and hair pigment, bone loss, unsteady movement and more frequent infections.
Supports — establishedhealth and safety evidence
Studied in: people with celiac disease and copper deficiency.
Measured as a biomarker.
- Copper - Health Professional Fact Sheet (Regulatory) · Funding not checked
How much is a reference amount
- 900 mcg a dayfor adults 19 and over · Recommended Dietary Allowance
Upper limit 10,000 mcg a day, from food and supplements together.
Every applicable line is shown because we don’t know which one is yours, and a reference intake is a target for a population, not a threshold for harm.