Stanozolol is a man-made steroid marketed under the brand Winstrol. Athletes prefer Winstrol for its active substance and effective properties. Doctors used this before as a medication of hereditary angioedema, which causes swelling of the face, genitals, bowel wall and throat. Additionally, this steroid stimulates blood fibrinolysis and has been evaluated for the treatment of the more advanced skin changes in venous disease. Stanozolol among other steroids has low androgenic effects. It also improves positive nitrogen balance and enhances protein synthesis. However, there are no recorded side effects of this steroid that is associated with estrogen.