They are often sold together
340.38 g/mol (free tripeptide) Sequence: Glycyl-L-histidyl-L-lysine (Gly-His-Lys) Synonyms: Copper tripeptide-1, GHK copper, prezatide copper acetate, lamin Mechanisms investigated in research literature: Collagen/elastin/glycosaminoglycan synthesis
(2006) Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a long-acting analog of GH-releasing hormone, in healthy adults U.S
For most people the single best copper peptide serum is a stable 12% GHK-Cu formula with a low, non-irritating pH and minimal competing actives concentration alone is not a reliable measure of quality
The benzyl alcohol content inhibits bacterial growth, allowing multiple withdrawals from a single vial while maintaining sterility unlike standard sterile water which is single-use only
10.1016/j.yjmcc.2013.12.015 J Mol Cell Cardiol