Aromasin (exemestane) works as a steroidal aromatase inhibitor, functioning to reduce estrogen production by blocking the enzyme responsible. It was developed for postmenopausal women battling cancer and in particular need of aggressive therapy, where first-line medications have not worked successfully. On the average, Aromasin (exemestane) has an 85% rate for estrogen suppression, which makes it effective for treating cancer since certain cancers grow due to the body’s estrogen supply. Cut the estrogen and you help slow down the cancer. As for steroids use, Aromasin is a good option because male bodybuilders don’t have to worry about aromatization, the conversion of estrogen in the body, which is then responsible for side effects like acne, water retention, and gynecomastia. It is also not too harsh on blood lipids which make it great for long cycles. Since it also raises testosterone levels, it also makes fAromasinor a great component of a Post-Cycle-Therapy.