Was a bit surprised to see kava been sold on the amazon UK website. Sure, it's only kava teabags, but still, I was under the impression that anything containing kava couldn't be sold in the UK?
http://www.amazon.co.uk/Yogi-Tea-Stress-Relief-Caffeine/dp/B0070Z5SBO/ref=sr_1_1?ie=UTF8&qid=1361809506&sr=8-1
http://www.amazon.co.uk/Yogi-Tea-Stress-Relief-Caffeine/dp/B0070Z5SBO/ref=sr_1_1?ie=UTF8&qid=1361809506&sr=8-1