However, its future trajectory is far from linear as many uncertainties remain, e.g., acceptance of obesity as a chronic disease, budget impact faced by payers and health systems willingness and ability to pay, the readout of further cardiovascular outcomes trials after the high profile results of 2023s SELECT trial for Wegovy, or new entrants challenging first generation therapies with alternative mechanisms of action (MoA) to address shortcomings such as gastrointestinal tolerability, current drugs being injectables, or the durability and quality of weight loss which distinguishes between fat and lean body mass
Nat Rev Cardiol 20 , 754777 (2023)
In fat cells , it promotes improved fat metabolism and reduces inflammation All mechanisms are supported by the 2025 narrative review in Biomedicines, which highlights GLP-1s multifaceted role in satiety, insulin regulation, glycogen production, and fat metabolism GLP1 Medications Are Gaining Popularity
Outcome Most people notice falling asleep gets easier within the first few nights, with mornings feeling less groggy by weeks 12 and genuinely restorative sleep by weeks 24