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The copper ion is not incidental it is essential to the peptides biological activity, forming a high-affinity complex that enables GHK-Cu to participate in copper-dependent enzymatic processes and cellular signalling pathways

BMC Med 21(1):195

PubMed Central , GSTM1 Glutathione S-Transferase Mu 1 [Homo Sapiens (Human)] Gene NCBI

For comparison, the GHK-Cu discontinuation guide discusses how stopping other peptide treatments affects maintained results, providing a framework for thinking about long-term treatment commitment

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Top Reasons to Buy GHK-Cu Peptide from PSPeptides There are several compelling reasons why researchers choose to buy GHK-Cu peptide from PSPeptides rather than other suppliers