ghk-cu side effects liver Frontiers Copper peptide GHK-Cu - Wikipedia
Description
Some brands use trace amounts of GHK-Cu and still call it a copper peptide serum
Wang J, Wynshaw-Boris A
These interconnected systems contribute to inter- and intra-individual heterogeneity in metabolic phenotype
Nat Neurosci 8 : 853854
The core peptide-copper complex is consistent
