What Is Zaditen? Zaditen or Ketotifen is an antihistamine that is used as a cutting product in the world of bodybuilding and weightlifting illegally. The reason centers on the beta receptors in the body. When strong anabolic steroid products are used then the beta receptors go into a down and non-receptive mode. The desensitization causes … Read moreZaditen Side Effects – The Real Truth About Them!