These once weekly injections mimic the hormone called glucagon-like-peptide-1 (GLP-1), targeting the areas of the brain that regulate appetite and food intake
The rats also had decreased signs of cellular stress and apoptosis (programmed cell death) in the hippocampus, the brain region involved in memory, emotions, and behavior
It also helps lower blood sugar by slowing how fast sugar from food enters the bloodstream
later stages help reinforce and sustain them
On April 30, 2026, the FDA proposed to exclude semaglutide, tirzepatide, and liraglutide from the 503B bulks list entirely, citing no clinical need for large-scale compounding now that FDA-approved supply is stable
Amersi at her Santa Monica, California, office today.