Phytoestrogens are plant-derived compounds that structurally and functionally mimic estrogen in the human body. They are found in a variety of foods, most notably soy products (isoflavones), flaxseed (lignans), and some other grains and vegetables. The use of phytoestrogens to support the ovarian system—particularly for managing symptoms associated with menopause, such as hot flashes and hormonal fluctuations—has been the subject of multiple scientific studies.

Clinical trials and systematic reviews have shown that phytoestrogens, especially isoflavones, may provide mild to moderate relief from menopausal symptoms due to their weak estrogenic effect. Some evidence also suggests that they might influence ovarian hormone production or regulation, though the impact on ovarian function in premenopausal women is less clear. Phytoestrogens have been investigated for their potential to support hormonal balance, but results vary; benefits are more consistently reported for symptom relief rather than direct support or restoration of ovarian function.

While phytoestrogens have a long history of dietary inclusion in certain cultures, the modern use of concentrated extracts for ovarian support is based on scientific investigation rather than tradition. The current consensus is that there is moderate evidence for their efficacy in alleviating menopausal symptoms, but less robust evidence for broader ovarian health benefits. Safety profiles are generally favorable for most individuals, though long-term effects are still under investigation.