First, I just don't have very good experience with drugs in general. As a kid I waa being stuffed with useless pills against allergy and whatnot that just kept making things worse, and my problems basically stopped when I rejected them as a teen.
Second as a result of the above and other similar things, I had to learn to be very aware of how my body and mind function, what I can do and when and how. Considering drugs have known mechanics how they achieve the effects, it's often not too hard to predict how they'll affect you.
It's not 100% reliable tho... Lots of people report better results than they expected. It's probably worth a shot, if you ask me.
Btw would you consider crossposting to !health@lemmy.world too? You might get more varied opinions and get people to think. (Disclosure: it's "my" community.)