| Effect | Decrease |
| Trial Design | Double blind |
| Trial Length | 2-4 Weeks |
| Number of Subjects | 141 |
| Sex | Both Genders |
| Age Range | 18-29, 30-44, 45-64, 65+ |
150mg of Kava WS 1490 extract daily in persons suffering from neurotic anxiety noted significant reductions in anxiety as assessed by the Anxiety Status Inventory (ASI) after 4 weeks of treatment.
No effect on liver enzymes (Alkaline Phosphatase, y-GT, GOT, GPT) in this trial.
