What Are The Side Effects Of Metandienone? What Are the Side Effects of Metandienone? Metandienone (often referred to by its brand name "Dianabol") is a synthetic anabolic steroid originally developed for medical use, but it has also been widely misused in sports and bodybuilding circles. Because it can dramatically alter hormone balances in the body, users frequently experience a range of adverse effects that vary in intensity depending on dosage, duration of use, and individual |