Estrogen Blockers
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)
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 supposed to increase muscle growth.
Some bodybuilders use Arimidex to control gynecomastia, which is a side effect of taking anabolic steroids. It causes males to grow breasts. Arimidex can have several side effects and is usually a treatment for breast cancer. It is not advisable for people to take Arimidex for bodybuilding.
Arimidex has an average rating of 5.7 out of 10 from a total of 78 ratings on Drugs.com. 38% of reviewers reported a positive effect, while 30% reported a negative effect. Nolvadex has an average rating of 6.3 out of 10 from a total of 3 ratings on Drugs.com.
Arimidex for Gyno
Arimidex belongs to a category and class of drugs known as aromatase inhibitors (AIs). Aromatase inhibitors belong to an even broader class of drugs known as anti-estrogens. The other subcategory of drug under the anti-estrogens category is known as selective estrogen receptor modulators (SERMs), such as Nolvadex and Clomid.
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