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Composed of the naturally occurring tripeptide glycyl-L-histidyl-L-lysine coordinated with a divalent copper ion, GHK-Cu serves as a valuable research tool for examining copper-mediated biochemical processes and matrix-associated signaling mechanisms
Hormone Research, 51 (2), 78-84
If you need daily or weekly injections, it will add up quickly
Each of these peptides exists in two chemically distinct variants with different solubility, stability, and potentially different safety profiles
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