Originally Posted by xbignick
But this isn't the first time we've seen her order tea and mention stevia, we've also seen it in her restaurant scene with Walt, I believe. It makes sense, but what purpose would it make versus a straight death? There's no extra reason to dispose of her in that way, at least at the moment.
Good point ... the ricin is probably going to have a much greater purpose than just slipping it into someone's tea. I would guess, as some have said, that it will somehow make its way into a batch of blue.