fda safety communication semaglutide naion 2025 The sent a warning letter to the maker of Ozempic and Wegovy over unreported potential GLP-1 side effects. Here's what to know Government Agency Confirms NAION Risk

In addition, the company added, billions of dollars have been invested in expanding its manufacturing facilities.

Instead, peripherally administered GLP-1 analogs access the brain via circumventricular organsregions bordering the third and fourth ventricles where the barrier is specialized to permit signaling between blood and cerebrospinal fluid

During this visit, your provider will assess your progress, address any concerns, review your current dosing, and, if appropriate, make adjustments to your dosage

Unlike stand-alone Part D plans, Medicare Advantage plans with drug coverage (MAPD) have more flexibility in how they structure their formularies, and some have been more aggressive than others in adding GLP-1 drugs as an enrolled benefit in 2026

This underscores the importance of proper labeling, storage, and handling protocols for anyone working with research peptides

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