Mechanism Avg % weight loss (placebo subtracted) Dosing Side effects Cost Semaglutide GLP-1 receptor agonist : (increases insulin secretion, suppresses appetite, enhances satiety, slows gastric emptying) STEP 1 14.9% (68 weeks) STEP 5 (120 weeks): -16.5% ~1517% average sustained loss 20% loss in ~17% of users 2.4mg weekly Nausea (44%) Diarrhea (30%) Vomiting (24%) Constipation (23%) Headache, fatigue Varies widely but generally the cheaper of the two
These typically reduce in severity and frequency over time
Fact sheet on obesity and overweight
They may be getting a fake thing, or theyre not getting anything at all, and its not safe for injections. As The Post earlier this year, the price differences can be massive: A month of name-brand GLP-1s can cost $1,000, and telehealth companies sell compounded versions for $300 to $400
For 5-htp on semaglutide and semaglutide: interaction and safety specifically, the relevant mechanisms include