I'll check on those shortly, could be bugs, though if I remember correctly, the aphrodisiac might only have one use. Though in that case, I shouldn't have text implying you can buy more... I'll also look at the slime cave scene. I think it might have been set up so that you can only do one option because it gives you a bunch of femininity, but I could easily change that and just make it so you don't gain any stats the second time.
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Looks like you should be able to buy more aphrodisiacs from Beatrice's little potion shop by interacting with one of the racks on the back wall. It's called a "ball burster" though, lol. Does that not show up for you when you interact with it? Also patch 0.28.9 will let you review the slime scenes now.