Botanical nervines, on the other hand, are free from toxicity and habituation. Because they are organic substances and not man-made synthetic molecules, they possess a natural affinity for the human organism. They are extremely efficient in balancing the nervous system. To-day we know that the antispasmodic qualities of Verbena are largely due to the glycoside verbenalin. It is certainly indicated for hysterical, exhausted, or depressive states.
Many English herbalists use it extensively as a background remedy.
Recent experiments at the University of Heidelberg have confirmed that the action of the volatile oil begins within the limbic system of the brain and subsequently operates directly upon the vagus nerve and all of the organs that are innervated by it. According to Canadian research, Avena is helpful in angina and in cardiac insufficiency. But the list does not stop here. And this is an area where the benefits of a wholefood diet and holistic life-style are badly neglected. Understandably, the choice of a nervine most suitable to an individual patient must be based upon a thorough health assessment and the experience and training of a qualified herbal practitioner.