Winstrol Depot Winstrol is the third most popular and widely used anabolic steroid of all time, with the first being Dianabol (Methandrostenolone) and the second being Deca Durabolin (Nandrolone Decanoate). Winstrol was developed in 1959 and initially manufactured and released onto the prescription drug market by Winthrop Laboratories in the United Kingdom. In 1961, however, Sterling in the United States obtained the patent for […]