Piper methysitcum or Kava Kava has been renowned for promoting general-well-being and enhancing relaxation. It contains substances which are called kavapyrones. They act similarly to alcohol on the brain, without the effects of intoxication or drowsiness. They bring about positive effects such as calmness, relaxation and happiness. It is also believed that Kava Kava can relieve pain and relax muscles which in turn can prevent seizures. Some studies show that kava can be useful in treating nervous disorders, insomnia and anxiety.