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It is not appropriate for buyers expecting FDA-approved outcomes, competitive athletes subject to WADA testing, or anyone seeking treatment for a medical condition

Potential tumor promotion : Given its angiogenic properties, there is theoretical concern it could contribute to tumor growth or neovascularization in certain contexts

Blood vessels are connective tissue

Researchers use GHK-Cu as a copper-binding peptide model for studying peptide signaling, gene expression, and extracellular-matrix-related pathways

Experimental models indicate that the peptide may contribute to the restoration of tendons and ligaments by improving local vascular responses at injury sites

[DOI] [PMC free article] [PubMed] [Google Scholar] 60.Nishino M et al