Did any Alchemist from any mythology story ever drink their potions they created?

Question

Did any Alchemist from any mythology story ever drink their potions they created?

Answer 1

nope that's what experimental subjects(test subjects) are for you know to know if it works or not so if it doesn't work they wont die or suffer the consequences of their stupidity(errors)...

Answer 2

Does Dr. Jeckyl qualify?

It's not a mythology story, just your basic macabre fiction.

But he did absolutely drink his own potion and became

the evil Mr. Hyde.