Since Turinabol is 17-alpha-alkylated steroid (which prevents the destruction of the active ingredient during passage through the liver), it is toxic. The extent of the damage can be compared with Methandrostenolone. Basically, on the liver is the main and almost the only real negative reaction. Side effects from Turinabol - a rarity, and to "kill" your body according to the steroid, it is necessary to try very high dosages. The most common problems occur in athletes, completely ignoring the regulations, which gives instructions for use, as well as the advice of their doctor. If you exceed the cycle duration and dosage, possible significant inhibition of secretion of testosterone, the development of premature ejaculation, erectile dysfunction. However, for 5 years, the practice of using steroids, controlled studies, only one case of pronounced side effects was detected.