Aromatase inhibitor

![Results from enzyme assay with white mushroom and aromatase enzyme.[10][11]](/uploads/202412/21/WBMaromatase2408.jpg)
Aromatase inhibitors (AIs) are a class of drugs used in the treatment of breast cancer and ovarian cancer in postmenopausal women and gynecomastia in men. They may also be used off-label to reduce increase of estrogen conversion during cycle with external testosterone. They may also be used for chemoprevention in high risk women.