

Making their own ADHD meds? (If my understanding of your comment is right)
Cause I mean it’s not hard but incredibly illegal, as Adderall is just amphetamine salts in a slightly different ratio than what you’d get by synthesizing it yourself.
It’s not exactly closed source
Now, vyvanse would be quite a bit harder to clandestinely produce but not impossible, just as illegal though.
The first half is reasonable, the 2nd bit is paranoid.
People take drug, drug does thing, body/brain react and over time produce long term tolerance so honeymoon period with med ends.
Surprised Pikachu face
You see it in other drug using communities; it’s really common to see people say that the modern drug is nothing like what they took years prior, whilst ignoring their own neural pathways will have changed in that time.
Personally I’ve found NAC helps, where it didn’t before when my meds still add their “magic”