Introduction Finasteride is a form of anti-androgen therapy typically used in either treating benign prostatic hyperplasia, or androgenic alopecia. [1] It works by preventing the conversion of testosterone into the more potent androgen Dihydrotestosterone (DHT). It does so by functioning as a competitive inhibitor of the type II 5-alpha-reductase (5AR) enzyme, which is highly expressed … Continue reading Post Finasteride Syndrome: The Gut & Allopregnanolone