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GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) is a naturally occurring copper peptide found in human plasma, saliva, and urine
The molecular structure of IGFBPs contains two homologous domains (N-terminal and C-terminal) for the IGF binding and a linker domain, which is the site for post-translational modifications and proteolysis (11)
It should only be administered under strict medical supervisionideally through an institutional review boardapproved trial
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Sources Chang C-H, et al
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