I'd like to know what your source is for that statement.
Kava definitely can. I don't know about the latter.
Perhaps you should elaborate. That's a pretty simple response. Have you found something that refutes the recent respected studies that show evidence that kava (water extracted root at least
) is not toxic to the liver?
Here is the study that I refer to:
the study does not address alcohol or acetone extraction methods, or the use of non traditional parts of the plant ... which I would be suspicious of.
Its a shame that people might not use a miraculous root like kava based on dis-proven information about liver damage. Large populations use it on the islands without liver damage, mind you, there kava is water extracted. Not much evidence either way, that I can find so far on alcohol / acetone extractions but that is another issue.