Although scientists and researchers have not adequately researched the therapeutic properties of vervain, herbalists as well as the common people are well aware of its advantages. Vervain is known to have an effect on parasympathetic nervous system and also invigorates the uterus. The vervain is a bitter herb and hence it enhances the digestive process. However, here is a word of caution: if taken in excess dosages, the herb may lead to vomiting. Vervain possesses verbenalin that is said to be a gentle purgative and is suspected to be accountable for the vomiting. Vervain is also considered to be an effective stimulant for digestion and helps the body to soak in the elements in the ingested foodstuff. At the same time, the herb is valued as a restorative or recuperative medication for the nervous system and is hence frequently recommended by the herbal medicine practitioners to treat nervous tension or anxiety. According to herbalists, vervain possesses anti-depressant properties and so it is particularly used to cure anxiety and the fatigued nerves owing to prolonged period of trauma. Significantly, vervain is considered to be a very useful stimulant or tonic for people recuperating from persistent ailments as the herb not only improves the digestion process, but also soothes and restores the nervous system. In addition, vervain is known to offer relief from headaches and is particularly advantageous for women. This function of the herb has led the Chinese herbal medicine practitioners to recommend it for treating migraine problems related to the menstrual cycle. In addition to the above mentioned benefits from the herb, vervain has several other therapeutic advantages. For instance, the herb is often recommended by herbalists to treat jaundice, asthma, gallstone, pre-menstrual anxiety, insomnia and even fevers, especially at the beginning of flu. The herb has several benefits for women. Vervain is also thought to contract the vaginal muscles during labor and also enhance lactation in the post-natal period.
Vervain is found growing in abundance in the wild all over Europe, North Africa and also in China and Japan. The herb is grown through seedlings during spring or in autumn and the plant flourishes in soil that does not allow water to stand and prefers a lot of sunlight. The aerial parts of vervain are useful for its therapeutic properties and are normally collected during the summer when the plants are in full blossom.
As vervain has multiple medicinal uses, it may be applied in numerous ways. The herb's aerial parts are most effective for their therapeutic properties and they are taken as infusion and tincture. Externally, they are also applied as poultice and ointments. They also form an effectual mouthwash.