Metandienone, otherwise called methandienone or methandrostenolone and sold under the brand name Dianabol (D-Bol) among others, is an androgen and anabolic steroid (AAS) prescription which is still frequently involved due to its reasonableness and viability for building cycles. It is additionally utilized non-restoratively for constitution and execution upgrading purposes. It is frequently taken by mouth.

Side effects of metandienone incorporate side effects of masculinization like skin break out, expanded hair development, voice changes, and expanded sexual craving, estrogenic impacts like liquid maintenance and bosom broadening, and liver damage. The medication is an agonist of the androgen receptor (AR), the organic objective of androgens like testosterone and dihydrotestosterone (DHT), and makes solid anabolic impacts and moderate androgenic effects. It additionally has moderate estrogenic effects.

Metandienone was initially evolved in 1955 by CIBA and promoted in Germany and the Unified States. As the CIBA item Dianabol, metandienone immediately turned into the main generally utilized AAS among expert and novice competitors, and stays the most widely recognized orally dynamic AAS for non-clinical use. It is presently a controlled substance in the Unified States and Joined Kingdom and stays famous among weight lifters. Metandienone is promptly accessible without a remedy in specific nations like Mexico, and is additionally produced in a few Asian nations.