Anastrozole represent a popular aromatise inhibitor. It is known in medicine since about 1995 as a treatment of breast cancer.
It is an aromatase inhibitor, in other word it reduce the estrogen buildup that takes place. Anastrozole works by inhibiting the enzyme aromatase, which is responsible for converting androgens to estrogens. Anastrozole binds permanently to the aromatase enzyme through competitive inhibition.
It is considered to be an ancillary product.
Many bodybuilders use anastrozole as a part of their steroid cycle to reduce and prevent side effects provoked by excess of estrogen, such as: gynecomastia or water retention.
Anastrozole is available in oral form. Studies show that this drug helps to reduce level of estrogen to 50%. That is why it is loved by bodybuilders almost in Post Cycle Therapy.