Herb for Man F2: Impotence with insomnia, poor rest, excessive thinking, neurosism, dry mouth or chronic tongue ulcer.

1. Impotence: 82 impotence patients took F2 from 14 to 60 days and 38 significantly improved (46.34 percent), 40 improved (48.78 percent) and four did not improve after the treatment (4.87 percent).

2. Functional psychic disorder: 42 patients with anxiety or depression took F2 or its modification for up to three weeks and 10 cured (23.80 percent), 23 significantly improved (54.76 percent), 8 improved (19.04 percent) and one did not improve.

3. Neurosism: 36 neurosism patients with dizziness, forgetfulness or insomnia took F2 and all were cured or significantly improved in two weeks.

4. Voice loss: 50 chronic voice loss patients took F2 and 25 got cured (50 percent), 20 improved (40 percent) and 5 did not improve (10 percent).

5. Chronic tongue ulcer: 146 chronic tongue ulcer patients took F2 and 122 cured (83.56 percent), 16 significantly improved (10.95 percent) and eight dd not.

6. Insomnia: 163 insomnia patients took F2 for up to two weeks and all were cured or significantly improved.

Toxicity and side effect: No toxicity or side effects ever been reported.