The safest approach is a regulated system where peptides are traceable, independently tested and prescribed within a medical framework
Meanwhile, GLP-1R has been shown to exist in human liver cells
Diabetologia 2018;61:28494.PubMed 2
If unapproved peptides are what we need to Make America Healthy Again, then all parties deserve a lot more clarity including compounding pharmacies, doctors, regulators and consumers.
Adriani PP, Paiva FCR, Oliveira GS, Leite AC, Sanches AS, Lopes AR, Dias MVB, Chambergo FS (2021) Structural and functional characterization of the glutathione peroxidase-like thioredoxin peroxidase from the fungus Trichoderma reesei
Notably, PT-141 has shown success in individuals who do not respond to PDE5 inhibitors (such as Viagra), offering an alternative for treating sexual dysfunction in both men and women