Vervain has a number of useful properties and is used for a number of conditions.
Generally, Vervain is an ideal tonic for convalescence. By aiding the digestion and restoring the nervous system it can help people recovering from chronic illness. Vervain is thought to have a mild antidepressant action, and is used specifically to treat anxiety and the nervous exhaustion that follow long-term stress.
100ml 1:3 Alcohol Volume 25%. Take 10 – 15 drops 2 x daily.
See what Wikipedia says:
http://en.wikipedia.org/wiki/vervain