No medicine in the world can increase the natural height which is determined by your genes. If it was so, then so many celebrities, players would have been able to increase the height. Ilizarov techniques , in which artificial fracture is created in thigh bones and a gap of 2 inches is created which heals and bones are elongated. Which increases height. But surgery is complicated and costly. If u r prepared for it , read and if convinced go for it.