Hormones play a major role in the way women feel throughout the menstrual cycle. PMS Formula with Indolplex® contains the first and only stable, bioavailable form of DIM™ to help support healthy estrogen metabolism. In addition, it features chaste tree berry extract to support the production of progesterone; calcium, magnesium, and vitamin D, which play synergistic roles in supporting health during PMS; and iodine for healthy thyroid function.