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Phytoestrogens .v. Xenoestrogens

This study contrasted and compared the research on these two differing components. Phytoestrogens refers to those estrogens found in foodstuffs (soy, yams) as naturally occurring compounds. Though mistakenly believed to be harmful, these phytoestrogens have been found in fact, to be both protective and anti-estrogenic. However, in recent years, chemicals in foods and beauty products have allowed xenoestrogens into our systems, as discussed in the blog above. So, what does the science say?

Per the research, "The consumption of phytoestrogens has been associated with a variety of protective effects. Their relative estrogenic potency combined with their concentrations in food and human plasma indicate biological relevance. However, their biological properties differ from those of estradiol or other endogenous estrogens in humans. For instance, their possible effects on SHBG, inhibition of steroid metabolizing enzymes, anti-proliferative and anti-angiogenetic and other side effects have been described. Furthermore, phytoestrogens can exert estrogenic and antiestrogenic activities at the same time." However, in comparison, synthetic estrogens do not offer these same benefits, and we typically consume them more readily in many many processed foods as well as transdermally. Whilst more research needs to be done, it is clear from early research that these synthetic estrogens are much more disruptive to our systems, and have little to no benefits at all.

Link: https://onlinelibrary.wiley.com/doi/abs/10.1034/j.1600-0463.2001.090301.x