While they can provide long-lasting benefits, such as brighter skin and enhanced immunity, the effects typically require maintenance treatments to sustain results over time

This action makes these agents a therapeutic option for weight loss.56 Although to a lesser extent, delay in gastric emptying contributes to the anorexigenic effect.61 Clinical trials conducted with GLP-1 receptor agonists in patients with obesity (or excess weight [BMI 27] with comorbidities), or with DT2 and excess weight or obesity, have achieved weight reductions greater than those reported for orlistat, as well as those observed with oral antidiabetic agents such as the sodium glucose type 2 cotransporter inhibitors (SGLT2i) or metformin.62 In a meta-analysis of more than 10 000 patients with obesity, those treated with GLP-1 receptor agonists lost, on average, 7kg more than those in the control group.63 Weight loss of up to 15% has been observed after 12 months of treatment,64,65 a level that had only been achieved through surgical methods
D.ConfavreuxC.et al (2007)
Phentermine has remained a top weight loss treatment for over 60 years, and is also very affordable, costing less than 10% of GLP-1 medications