fda compounding semaglutide crackdown november 2025 Compounded GLP-1s are entering a new phase of scrutiny. With the targeting large-scale compounded GLP-1 manufacturing, patients are facing a moment where access, safety, and regulatory clarity all matter. In my How FDA Crackdowns Are Affecting
Description
Retatrutide is not yet FDA approved, unlike many GLP-1 agonists, retatrutide will most likely be a weekly injection, delivered subcutaneously into the arm, thigh or stomach area in a self-inject pen
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Nat Med 17:14811489

SURPASS-3 MRI, a sub-study of the phase-3 SURPASS-3 trial assessed tirzepatide administered once per week versus insulin degludec on liver fat content (LFC)

While your body produces natural GLP-1 hormone, this is chemically different from semaglutide and breaks down within minutes

The vendor selection guide helps identify reliable sources, and understanding how long peptides last in powder form informs bulk purchasing decisions
Ive seen how this happens in practice