Clinical Study Examining Use of an Over-the-Counter Supplement for the Prevention of Menstrually-Associated Migraine Headache

The purpose of this trial is to study the use of soy isoflavones in the prevention of menstrually-associated migraines. Additionally, this trial may provide insight into the menstrual cycle and menstrually-related headaches in women. With this information, we may be able to change current treatment methods or even develop new methods in order to advance current approaches in the treatment of menstrual migraine.