fda warning letters compounded semaglutide september 2025 Issues Warnings Against Illegal GLP-1 Marketing Important Update: Changes to Compounded

Last reviewed: July 6, 2026 Last updated: July 6, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

The FDA does not approve compounded medications for safety or efficacy

outsourcing facilities under section 503B were given 90 days to comply

For those who have been on medication long-term and notice a slowdown, a semaglutide plateau or tirzepatide losing effectiveness can occur

Water Bottle Keep it with you always, but sip, dont chug

If you are already on tirzepatide or semaglutide: there is no mechanism to switch to retatrutide at this time