Arimadex is the trade name for Anastrozole, it is a medication commonly used by bodybuilders to manage estrogen levels while on a steroid cycle. It is an aromatase inhibitor that prevents the conversion of testosterone to estrogen, thereby reducing the risk of estrogen-related side effects such as gynecomastia, water retention, and fat accumulation.
Suggested doses range from 0.5mg every other day to 1mg per day.