Helps Reduce Hot Flash Frequency Non-GMO Soy†† Dietary Supplement Source Naturals Eternal Woman is a revolutionary line designed so that menopausal women may experience the Freedom to Change naturally. Source Naturals Hot Flash formula may help minimize the body's often dramatic response to declining levels of estrogen. Hot Flash formula includes optimal amounts of phytoestrogens, which may lessen the effects of luteinizing hormone and reduce the frequency of hot flashes. †† Not genetically modified.