Wood Betony is stated by the manufacturer to offer to cleanse for the blood and to calm the central nervous system. It is possible that these roles can help to reduce headaches, to control blood pressure, and to offer relief for a variety of other ailments. There is no evidence though offered by the company about how all of this is accomplished. There can be a variety of reasons why a person has headaches such as stress or a medical problem.
Therefore, isn't possible to identify if the results someone gets from Wood Betony is useful or not. There could be other changes to their lifestyle, stress, and overall health that also influence results. Still, many people are interested in finding a natural remedy for headaches and other ailments. They don't like to take prescription medication due to the cost and the side effects.
This product is safe according to the manufacturer, and it is relatively inexpensive. Therefore, it may be a good idea to try it for a few weeks and see how it affects a person personally. Then they can make their decision about continuing to use Wood Betony or not.