Compounded medications referenced in this article - including compounded semaglutide and compounded tirzepatide - are not FDA-approved finished drug products and have not been reviewed by the FDA for safety, effectiveness, or quality before marketing
Acheson KJ, Zahorska-Markiewicz B, Pittet P, Anantharaman K, Jquier E
COA verification is a meaningful distinction from research-grade or grey-market sources, which frequently fail independent purity testing and may contain incorrect concentrations, contaminating peptides, or bacterial endotoxins
J.GuzmanI.SandlerB.et al (1991)
complexity introduces more points of failure (contamination, dosing errors)