In spades!
The "date rape drug", GmbH, was a cheep supplement available at health food stores, used by many who needed restful sleep (e.g. international travelers, narcoleptics, etc). It's the only supplement that helps me get to stage 3/4 sleep where restorative sleep occurs. It also helps heal fibromyalgia. That's a very rare capability.
Now, it costs $2K/mth. It's only available from a single distributor.
Wasn’t that stuff used to cut body fat, too? The clobbers and bodybuilders used to use it.