Description
PE 22-28 is a synthetic peptide derived from neuropeptide Y (NPY), engineered to selectively activate the Y2 receptor subtype. That receptor selectivity is the core research interest: NPY itself binds multiple receptor subtypes with overlapping and sometimes opposing effects on appetite, so PE 22-28 lets researchers isolate Y2-specific signalling from the broader NPY system.
Because Y2 receptor activation is associated with satiety signalling (in contrast to the appetite-stimulating effects of some other NPY receptor subtypes), PE 22-28 is a frequently cited reference compound in comparative appetite-regulation research distinct from the GLP-1/GIP-class compounds elsewhere in this catalogue.
After you place your order, a licensed physician will speak with you directly on a live call to review your health history and confirm a prescription is medically appropriate before anything ships. If your order isn’t approved, our team will contact you directly instead of shipping it. Reconstitute with bacteriostatic water and store refrigerated, protected from light.





