FDA advises that a potential risk or rare, but severe, liver injury may be associated with Kava. As a healthcare professional before use if you have, or have had, liver problems, frequently use alcoholic beverages, or are taking any medication. Stop use and see a doctor if liver symptoms occur (unusual fatigue, abdominal pain, appetite loss, dark urine, pale stools, yellow eyes or skin). Not for use by persons under 18 years of age, or by pregnant or breastfeeding women. Do not take with alcoholic beverages. Excessive use may briefly impair ability to drive or operate machinery. Keep out of the reach of children.