Global Journal of Reproductive Medicine Juniper Publishers Authored by: Debjani Nath* Introduction Phytoestrogens are naturally occurring polyphenolic compounds. They are ubiquitous in human and animal diet. Around 300 plants from more than 16 different plant families have been identified with such a kind of compounds [ 1 , 2 ]. They are structurally and/or functionally bear a close similarity to mammalian estrogens and their active metabolites. Though they are much less potent but their mode of action is similar to 17p-stradiol. The estrogenic compounds are widespread in food. They are found in herbs and seasonings (garlic, parsley), grains (soybeans, wheat, rice), vegetables (beans, carrots, potatoes), fruits (date, pomegranates, cherries, apples), and drinks (coffee) [ 3 ]. So only a totally plant-free diet would prevent exposure to them. We, the human beings as well as animals regularly expose to variable amounts of phytoestrogens mainly through diet...