This question is long being debated. As we have told you in our Best Height Increase Exercises Review that a person attains maximum height up to the age of 18 though he might be able to add a few more inches up to the age of 25 by doing different exercises. Coming to the question, Going to the gym itself is not going to help you with height increase but what you do at the gym matters the most. By trying Height increase exercises at the gym, you can still increase your height but only up to a certain age, as mentioned earlier.