I take .25 lipitor everyday. In fact, getting ready to take it now. I take lipitor in the morning and kava at night. Been doing it for many years with no adverse effect. Here is another thought. Kava gives some people "tummy problems" and others are not effected. Make sure you strain it good and make sure you are buying noble kava and not some crap that ranked at the bottom of the list. The kavas that are less than noble seem to irritate people more than not. For the record and so I don't piss off the ones who sell suspect kava, there are many with iron stomaches that can consume any type of kava without ill effect. Perhaps you are not one of those.
Here is my final prescription to all who have trouble with Kava. Get some Nene from
@Gourmet Hawaiian Kava. It is the most noble kava on earth and was used by Hawaiians for "their fretful child". So it is the safest one I know and is a personal favorite of mine for all those reasons. If you can't handle Nene (which means child in many languages), then you can't handle any kava (in my opinion). Though GHK may be more expensive (made in America), you are getting a product that was only handled once, by the farmer. Straight from the field to your cup and with no impurities or additives (Tudei).