Methandrostenolone (trade names Averbol, Dianabol, Danabol), likewise called metandienone (INN), methandienone, or informally as dianabol, is an orally-effective anabolic steroid initially developed in Germany as well as launched in the US in the very early 1960s by Ciba Specialty Chemicals. Methandrostenolone is a controlled substance in the United States and Western Europe as well as remains popular among body builders. An injectable type is sold online from United States based companies. Methandrostenolone is readily offered over the counter in nations such as Mexico (under the trade name Reforvit-b), and is also being produced in Asia and also several Eastern European countries.