Is It Possible to Increase Your Height After 18? Many people think that height growth ceases after puberty, but various factors such as nutrition, posture, exercise, and overall lifestyle can play a role. Although natural growth is generally limited after the age of 18, engaging in stretching exercises, maintaining a healthy diet, and utilizing HGH-boosting techniques may help improve posture and make the most of your height potential. Explore scientifically-supported methods to enhance your height in a natural and effective way. Read on to uncover the best strategies!