Acheter 99.64% Raw AI Aromatase Inhibitor Drugs Exemestane (Aromasin) Powder Online Exemestane Description Exemestane is a steroidal Aromatase Inhibitor (AI) that is most commonly known as Aromasin. Exemestane carries the ability to inhibit the aromatase enzyme, which is responsible for the production or conversion of testosterone to estrogen. Aromasin has the ability to block aromatization, which in turn inhibits …