Kawa is a tropical evergreen shrub with heart-shaped leaves and woody stems. Its scientific name is. Kawa Extract Health Benefits. May Treats anxiety and depression. May help with insomnia. Helps to Improve brain function. May treat epilepsy and seizures. Always consult your health care provider before taking any supplements. Pregnant or lactating women, people with existing medical conditions, or people taking medications should consult their health care provider/s before taking any dietary supplement. If you experience any adverse condition after taking this dietary supplement, discontinue use immediately and consult your health care provider. Keep out of reach of children. 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.