sina, sina, sina... a. i wasnt being a smartarse, i was contributing to a discussion....I believe thats what this place is for.. b. You didnt catch me out... the information, in the form that I presented it (without misrepresentation mind you) was correct. c. The thread that you linked did not show me being called out, infact, I just stated the kava extract (alcohol was implied, as most, if not all therapeutic use, fluid extracts are alcohol based) was... to quote myself, "thought to cause liver damage". If the reason for this is due to aerial material within the COMMERCIAL product, then, what I stated was still correct. I admit i was not informed on whether root only was not hepatotoxic, but, as each reference I have made has been in reference to off the shelf commercial extracts, then some amount of hepatotoxicity can be assumed (as you reference that they contain aerial material.) mind you, if I recall the correctly, it was isolated incidences with people that may have already had less than perfect liver function (dont quote me on that one though), but we all know that it doesnt take much for the TGA to take a natural remedy of the market... compared to a pharmaceutical. as for your references... you have obviously done some research on this, and I am happy to take your word for it. goodnight sina