In the context of GLP-1R agonists, GLP-1-expressing NTS neurons send projections to serotonergic DRN neurons, and chemical depletion of serotonin as well as blockade of central 5-HT 2A receptors, but not 5-HT 2C receptors, prevents the inhibitory effects of chronic central exendin-4 on food intake and body weight in rats [109]
The perception that tirzepatide "isn't working" may stem from unrealistic expectations about the speed or magnitude of results, inadequate dosing, lifestyle factors that counteract the medication's effects, or underlying medical conditions that interfere with its mechanism of action
While compounded semaglutide offers potential advantages such as lower costs and customizable dosing , it lacks the rigorous FDA oversight that guarantees safety and effectiveness in approved medications
On the other hand, recent data highlighting the strong association between endometriosis and low BMI suggest a potential genetic Link
Yes, the FDA is phasing out compounded Semaglutide that is essentially a copy of FDA-approved products, with deadlines in April and May 2025 for pharmacies to stop dispensing these versions