Two other important anti-estrogenic foods are onion and garlic. In both, the active ingredient is the antioxidant flavonoid quercetin. Known for its immuno-supporting and liver-detoxifying proper- ties, quercetin has also shown the capacity to inhibit the enzymes that synthesize estrogen when applied in high concentrations.
Reducing Exposure to Xenoestrogens. (one of the most common causes of estrogen dominance is this class of man-made compounds that mimic the effects of natural estrogens in the body.) Great tips, and specifically, a list of foods you really need to purchase organically...the ones with the highest residues of xenoestrogens and endocrine disruptors.
Vegetable Consumption Linked With Lower Risk For Estrogen Receptor-Negative Breast Cancer