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Phytoestrogens

Meaning

Phytoestrogens are naturally occurring plant-derived compounds, such as isoflavones and lignans, that possess a chemical structure similar enough to endogenous estradiol to interact with estrogen receptors (ERs). They exhibit weak estrogenic or anti-estrogenic activity depending on the tissue type and receptor subtype present. Their impact on the endocrine system is generally considered modulatory rather than primary.