You may have a small increase in height in another 1-2 years, but it will not increase by 5 inches. Height is a combination if various factors, the most important being the height of your parents and other close relatives. Apart from that the diet and exercise you had when growing up is also important. There are no medications or supplements or hormones which will help you. Please do not take any such medications. Maintain a healthy lifestyle, good diet, regular exercise and positive attitude and you will.be fine. On a positive note, people of less height look much younger than their age, which is a good thing.