Androgenic

 Antiestrogens, also known as estrogen antagonists or estrogen blockers, are a class of drugs which prevent estrogens like estradiol from mediating their biological effects in the body. They act by blocking the estrogen receptor and/or inhibiting or suppressing estrogen production.  Estrogen blockers may stop some cancer cells from growing and are used to prevent and treat breast cancer What are the 3 estrogen blockers? Drugs that lower estrogen levels Letrozole (Femara) Anastrozole (Arimidex) Exemestane (Aromasin) Arimidex Bodybuilding Illegally, Arimidex may be used by bodybuilders to block estrogen. Arimidex may help prevent side effects such as gynecomastia (male breast enlargement) from developing due to the aromatization of anabolic steroids. The idea is that by suppressing estrogen's effects in the body, you can enhance testosterone's, and even increase total testosterone levels by reducing the amount that's naturally converted into estrogen. This, in turn, is suppos