Alright, here's my script for zapping 4 types of potions and/or a ring of aggravate monster.
There are 4 types of bad potions; the rest are at least marginally good.
Effects from worser to slightly bad: (at least for Oxycore and Teet)
*Sleepy (-30% all stats)
*Confused (- myst, I'm lazy to...
Oooh! I like the idea of a food and drink script: aka, breakfast bot. May I suggest, for the hardcore of us, including a "stat day" setting? As I only eat really really good stat foods on stat days.
However, I'm not sure if stat days are supported yet by KoLm. It'd be nice, but not necessary.