I imagine the entire Joe Rogan sphere with being anti vax (or vax skeptical)... While promoting a billion supplements.

*anti untested vaccines - people should be skeptical of untested vaccines, just like peptides.

Which untested vaccines are regularly given to patients?

Indeed, but that’s not the point: many anti-vaxxers are against all vaccines, irrespective of how they were tested. (And will argue against e.g. the FRA approvals.)

But you confuse that set of people with people who don’t know want to inject untested vaccines into their body.

(I don’t)

I’m genuinely not aware of a DIY or grey market in vaccines. Peptides, yes, but vaccines?

In the absence of this, I suspect you’re either confused or straw-manning…