This is extremely dangerous and also something I feel must be considered a natural and obvious extension of a right I believe to be fundamental: bodily autonomy.

There is a significant distinction between the right to bodily autonomy and the right to distribute quack medicine. And that's sort of the rub. As soon as you start marketing your product to third parties under false pretexts, we're not longer talking about an individual's right to self. And we get into an even more tangled web when we start talking about health care for children or the elderly, who lack the mental acuity to make informed choices.

Also this is cyberpunk as hell and aesthetically I’m so here for it

Everyone wants to get the military grade Sandevistan drive. Nobody thinks they're going to succumb to cyberpsychosis.