Anyone drank kava

I hear its a good alternative to alcohol but not sure how safe with sz. Anyone know first or second hand info on kava. http://m.wikihow.com/Make-Kava

Kava is banned in Europe as it causes liver damage and death even when used for a short time.

http://www.google.ie/search?q=kava+liver&hl=en-GB&gws_rd=cr&ei=lbtbVaiJLuTX7Qb0oYKADA