Copper
minerals
Copper is an essential trace mineral required for iron metabolism, collagen formation, and neurological function. It acts as a cofactor for numerous enzymes and plays a critical role in energy production and immune system support.
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Benefits
Dosage
Typical Dose
0.9–1.3 mg daily
Upper Limit
10 mg daily (tolerable upper intake level)
Timing
With meals to enhance absorption and reduce gastrointestinal upset
Forms & Bioavailability
Copper gluconate
Well-absorbed and gentle on the gastrointestinal tract
Copper sulphate
Highly absorbable but may cause nausea in sensitive individuals
Copper amino acid chelate
Enhanced absorption through amino acid binding
Side Effects
Interactions
Research Summary
Copper is essential for cytochrome c oxidase and other oxidative enzymes critical to cellular energy production. Clinical research supports its role in maintaining bone density, cardiovascular health, and cognitive function. However, excessive supplementation is associated with toxicity; most people obtain adequate copper from dietary sources including shellfish, nuts, and whole grains.
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The Bottom Line on Copper
Copper is well-researched with strong evidence supporting its primary benefits.It is most commonly used for iron metabolism and transport and collagen and connective tissue formation. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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