Noted, noted, noted. Thank you the comment
I totally agree with every point and I can even say that I even implemented the ability for the master to request various things. Almost the only reason she doesn't do it now is that I simply didn't have time to make a sprite for something else.
And yeah, it probably wouldn't hurt to make the potions stronger. It's better to make the game too easy than too difficult.
And no, if you've discovered all the ingredients for a medicine, you've research every recipe in the game. And you don't need to make more prototypes. It would be better to show on the screen after you've drink the prototype what you've research and if there's anything else.
Thank you for playing <3P.S. Oh yeah, the gem really does look like cheese. To be honest, it looks like anything but gem :)

