Melatonin is a prescription-only medicine in the UK, with the licensed product being Circadin 2 mg prolonged-release tablets
They even have private rooms for treatment if preferred
F., Li, Z., Ping, P., Dai, J
Recently, GLP-1/GIP/Glucagon receptor triagonists have been in development and clinical trials
"Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes: A randomised, double-blind, placebo and active-controlled, parallel-group, phase 2 trial." The Lancet , 402(10404), 529-544
The low discontinuation rate, combined with significant weight loss and metabolic benefits, supports the conclusion that semaglutide maintains a favorable benefit-risk profile for most users under appropriate medical supervision