There have been a growing number of online groups arranging to do group buys of synthesized experimental drugs based on studies...

There's also a good number of cases of people getting exactly what they ordered. There's been a thriving market for Retatrutide, ozempic's more powerful younger brother, for years despite it not being approved yet.

Also, people with Alzheimer's don't have the luxury of being able to wait 20 years for it to be approved.