This forum is to be used for all discussions pertaining to Obsidian Entertainment's Neverwinter Nights 2, the Mask of the Betrayer expansion pack, the Storm of Zehir expansion pack, and the Mysteries of Westgate adventure pack.
Spirits and wine, just like in NWN1, have no purpose other than to add a tiny bit of realism to the world. They give you - Int because if you drink them you will get drunk Just sell them for a few extra coins as its not worth keeping them.
To me they mean nothing more than a little additional cash next time i visit a merchant. They're not worth much, but i pick them up regardless, money is money.