In vitro studies have examined its interaction with fibroblast and keratinocyte cell preparations, documenting that the GHK-Cu complex stimulates collagen synthesis in cultured fibroblasts independently of changes in cell number [1], and that GHK-Cu increases matrix metalloproteinase-2 (MMP-2) protein and mRNA levels in fibroblast cultures
So it was
Bosaeed M, Balkhy HH, Almaziad S, Aljami HA, Alhatmi H, Alanazi H, et al
30,35 At therapeutic doses, whether GLP-1RA can directly affect the CNS depends on the drugs properties
The structure is fundamentally different even if you use the same piece of paper
Nissen is leading a similar trial for tirzepatide, a drug made by Eli Lilly and sold for type 2 diabetes as Mounjaro