Stanozolol is a synthetic derived from testosterone. Technically classified as an anabolic steroid, Stanozolol is commonly sold under the brand name winstrol. Created by the Winthrop Laboratories in 1962, winstrol is one of the most popular anabolic steroids. Winstrol is a registered trademark of Sanofi-Synthelabo Inc. in the United States and/or other countries. Sanofi has […]