
What is Clostebol, the anabolic steroid of the Sinner case
Jannik Sinnerwho recently became the number one in the world of tennis, had tested positive for clostebol twice in a row during doping tests in March. Clostebol is a anabolic steroid present in a common over-the-counter drug for the treatment of cracks and small wounds of the skin, which you may also find in your medicine cabinet. Since it is ...








