Pharmacists & Prescribers: Compounding GLP 1 meds like semaglutide & tirzepatide is generally prohibited, unless strict exceptions are met (e.g., FDA shortage + clinical necessity for an individual patient). Violations may lead to Compound GLP 1s: vs. Zepbound, Mounjaro, Wegovy SEMA Semaglutide 5 mg Research Peptide Nextech Labs Companies that make compounded drugs obtain semaglutide API from authorized and registered chemical manufacturers.