This kava powder is named for the tradition of grinding kava with kava stones. Just to make it authentic we decided to use 100% lateral roots in this product for a little more kick. Drinking kava made from only roots tends to make people feel like they are made out of stone. Enjoy. This is the best value for high quality 100% pure Vanuatu lateral root that you can purchase online. Shipping within the U.S. is cheaper than paying for shipping from Hawaii from our competitors.