Waka is the below ground root of the piper methysticum (kava) plant. It is earthy in flavor and contains the highest concentration of kavalactones in the kava plant. This powder is from mature kava harvested and sun dried in Savusavu, Fiji. The chemotype tested at 462513. See our lab tests for details. This is a very easy drinking, yet potent kava with a nice balance of heavy and heady effects. Tax included in the continental US.