Excess estrogen increases the size of the prostate. Estrogen also increases prolactin, which can increase the size of the prostate. Estrogen is a byproduct of testosterone in both females and males. To convert testosterone to estrogen, you need an enzyme called aromatase. The testicles and fat cells make aromatase. Phytoestrogens can mimic estrogen, but not very much. To shrink the prostate naturally, we want to inhibit aromatase to decrease estrogen production. Watch this video for the recipe!