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[DOI] [PMC free article] [PubMed] [Google Scholar] 105.Gonzalez-Hurtado E, Lee J, Choi J, Wolfgang MJ

Copper has a role in Iron metabolism, blood formation, bone development, maintenance of elastic connective tissue, wool growth, disease resistance, and reproduction/fertility

It is the coenzyme at the center of energy metabolism and a great deal of aging research, and the reason it is a coenzyme rather than a peptide is worth understanding before you read the longevity claims

For a full troubleshooting guide, see our copper peptides irritation guide

Adverse Reactions/Side Effects Mild transient diarrhea, polycythemia vera, peripheral vascular thrombosis, itching transitory exanthema, feeling of swelling of entire body, anaphylactic shock and death