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Some studies suggest that unbound GHK (without copper) may be just as effective in skin regeneration, sparking debates about whether copper binding is necessary
Montane, J., Klimek-Abercrombie, A., Potter, K
Note additionally that the three methionine residues in the sequence, two of them in the N-terminal extension, make dilute standing solution vulnerable to oxidation, and that freeze-thaw cycling promotes aggregation in disulfide-bonded proteins more readily than in short peptides
No the Precision Peptide Genetic Test does not predict your response to Ozempic or any specific medication
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