Warning for anyone experimenting with Kava: if you are already taking a medication that interacts with the amount of GABA in your synapses (like Gabapentin or Lyrica) Kava might cause severe rebound anxiety. I experienced this myself after taking Kava with no problem for about a week. Now, I can't take kava AT ALL without experiencing anxiety. I thought I was alone on this until a good friend of mine expressed the same issues occurring for her. We know that kava interacts with GABA & so does Lyrica/Gabapentin (which we are both on). It is an educated guess, of course, but I wanted to throw it out there.