On The Pen

On The Pen

Compounded GLP-1 Safety: OTP Filed a FOIA Request, Here’s What the Government Told Us

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On The Pen
Sep 13, 2025
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For as long as I’ve been covering compounded GLP-1s, the answer to this one question has remained elusive: where are pharmacies actually getting their active pharmaceutical ingredients (APIs)? The source of these raw ingredients has always been shrouded in mystery, and patient advocates like myself have spent years trying to untangle it. The question always comes back to one answer: industry trade secrets. This week, however, I did receive a little more info.

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