GHK Cu Peptide Benefits (And a Few Risks) Explained GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Ways2Well Design mechanisms and biomedical applications of peptide metal chelates in antimicrobial therapy, tumor theranostics, and integrated diagnosis treatment systems ScienceDirect RFK Jr.'s peptide push could unleash risky drugs STAT First Opinion