Tabex® is the first effective medicine in the world for smoking cessation, which does not contain nicotine and antidepressants. Tabex® is based on Cytisine, a plant origin substance . Cytisine has greater therapeutic spectrum than nicotine, which makes it safer to use. Compared with nicotine it has lesser effect on the peripheral nervous system and arterial blood pressure, but effectively stimulates breathing .Cytisine reduces depressive symptoms related to discontinuation of nicotine intoxication.