Fernandez-Sanchez L, Lax P, Noailles A, Angulo A, Maneu V, Cuenca N
Melanotan II functions similarly but works across multiple melanocortin receptors (MC1R, MC3R, MC4R), stimulating additional effects beyond tanning of the skin, including appetite suppression and sexual enhancement including libido enhancement
GHK-Cu is a naturally occurring copper peptide best known for skin repair, collagen stimulation, and anti-inflammatory effects, so its widely used for antiaging and barrier support
However given the treatment duration of only 6 months, small sample size and the use of relatively less powerful adjunctive therapy further evaluation may be warranted post-metabolic surgery