Alternatives that will need to be tested for interactions thoroughly before we even thing about using them in a potion.
And if you were better than me at potions, you'd know that.
Besides, you'll notice I never mentioned myself.
And, oh? Really? Yes, I'm sure getting to attend your final year at Hogwarts because you weren't a filthy mudblood was a real hardship on you. I really had a much better chance being hunted because of who I was friends with, as well as for the fact that I was muggle-born. Oh yes, that clearly would have given me a better chance at getting good grades.