Kava Kava is a plant (Piper methysticum) native to the Pacific Islands that has been used for centuries for its calming effect on mood. This product is extracted from the root of the plant. Kava Kava is most commonly used by already healthy individuals to aid in promoting a calm feeling of overall well-being and to promote healthy sleep.* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.