Several of the metabolites are unique to methandrostenolone. Methandrostenolone is subject to extensive hepatic biotransformation by a variety of enzymatic pathways. This means that without the administration of aromatase inhibitors such as anastrozole or aminoglutethimide, estrogenic effects will appear over time in men. Methandrostenolone is readily available without a prescription in countries such as Mexico (under the trade name Reforvit-b), and is also being manufactured in Asia and many East European countries. List of terms related to Methandrostenolone Methandrostenolone in the Marketplace The half-life of Dianabol is roughly 3-6 hours; thus, using the highest value (being 6), we can calculate that all of the methandrostenolone will have left the body after 33 hours. You can work out when a drug will leave your body by 5.5 times the half-life. We start these medications as soon as Dianabol has fully left the body. The reason why oral steroids become less active when taken in conjunction with food is that they’re fat-soluble compounds.