We have continuously overcorrected in the hundred years since we banned snake oil medicines.
Sure, people should know what they are taking, and they should take things that are safely manufactured and safe to use.
But, there needs to be room for a person to make informed decisions as part of their body autonomy. I personally do not want to start taking peptides because they're so new and the long term risk is unknown, but people who see the initial results and want to be human guinea pigs should be allowed to.
There really needs to be a middle ground between a decade of testing on the off-chance that 1-in-1,000,000 parents gets an upset stomach, and ordering who-knows-what research chem from a sketchy website.