fda warning letters compounding semaglutide news Warns on Certain Forms of Compounded Compounded GLP-1s: Why doctors worry

Dermatology practical & conceptual , 12 (1), e2022018

from left to right: GLP-1R (orange) bound to GLP-1 peptide (green) in an active conformation, GLP-1R (pink) bound to ExP5 peptide (cyan) in an active conformation, GLP-1R (blue) bound to non-peptide TT-OAD2 (red) in an active conformation, GLP-1R (pale green) bound to 11-mer peptide HepP5 (purple) in a partially active conformation

It would be irresponsible to write any of this without naming the tradeoffs honestly

For a detailed breakdown of how these compounds differ individually, see our retatrutide vs tirzepatide vs semaglutide comparison, which covers receptor profiles, trial data, and research applications for each compound