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The choice between pre-formulated blend GHK-Cu administration and custom independent GHK-Cu dosage depends on the research question

Mouse cyclophilin B was used for normalization of gene expression

For broader context on metabolic and longevity peptide research, see our NAD+ longevity research guide and our what are peptides explainer

682809-81-0 Chemical Name: AHK-Cu Synonyms ALA-HIS-LYS-CU;Copper Peptide 1:1;ACETYILHEXAPEPTIDE-8;AHK-Cu(2:1);ALA-HIS-LYS-CU(AHK-Cu);Copper Tripeptide-3 hydrochloride;L-Alanyl-N-L-histidyl-N,N3-L-lysinato(2-)]copper Monohydrochloride CBNumber: CB74843756 Molecular Formula: C15H24ClCuN6O4 Molecular Weight: 451.39 MDL Number: MOL File: 682809-81-0.mol MSDS File: SDS Last updated:2026-07-10 08:58:25 AHK-Cu Chemical Properties,Uses,Production Description AHK-Cu, also known as Alanine-Histidine-Lysine-Copper, is a synthetic peptide that has garnered significant attention in recent years due to its potential applications in various fields, particularly in dermatology and regenerative medicine

Currently, there is no practical way to measure individual NNMT activity to predict response