“Several types of medicinal mushrooms have been shown anti-aromatase activity (aromatase is an enzyme involved in the production of estrogen and therefore used as a target for hormone therapy in several types of cancers that are sensitive to hormones, by decreasing the body’s production of these hormones).”
(from an article by Chen, 2006 *)
Chen S, Oh SR, Phung S, Hur G, Ye JJ, Kwok SL, Shrode GE, Belury M, Adams LS, Williams D. Anti-aromatase activity of phytochemicals in white button mushrooms (Agaricus bisporus). Cancer Res. 2006 Dec 15;66(24):12026-34. doi: 10.1158/0008-5472.CAN-06-2206. PMID: 17178902.