B., Sandsal, R
analogs or growth factor mimics of the present invention may also be represented as comprised of four elements joined by covalent peptide or reduced peptide bonds, as follows: I an acid such as heptanoic, hexanoic, pentanoic, butyric, proprionic, acetic, benzoic, or substituted benzoic acid, and isoforms thereof
In cosmetics and topical applications, GHK-Cu may help promote tightening of loose skin, skin elasticity and firmness, wrinkle reduction, and photoprotection (mitigation of sun damage)
p = 0.0077 (Fig 1B)
Semaglutide is a 31-amino-acid peptide manufactured through bacterial fermentation to produce the exact sequence that binds GLP-1 receptors
So yes, it's high in the liver, but guess what