do testosterone increase height

In your situation, it’s understandable there might be a bit of confusion. Testosterone indeed plays a significant role during puberty, where it contributes to the increase in bone length and density, but the potential for height increase largely depends on whether the growth plates in your bones are still open. By age 19, most people’s growth plates, also known as epiphyseal plates, usually have closed, and once they’re closed, no further increase in height can naturally occur regardless of testosterone levels.

It’s true that testosterone can influence bone density and contribute to muscle growth, which might create an appearance of increased stature due to improved posture or muscle mass, but that’s not the same thing as an actual increase in bone length. For your friend, testosterone might be prescribed to manage certain hormonal deficiencies or health issues, but it’s unlikely to be related to influencing height if their growth plates are also closed. Taking testosterone supplements without medical supervision can have significant side effects, ranging from mood changes to cardiovascular issues, so it’s crucial to approach this cautiously.

If you’re really concerned about your height, it’s worth discussing it with a healthcare professional. They can provide a better understanding of your individual growth potential, or perform tests to determine whether your growth plates are still open, though at your age, this is less likely. They can also help ensure that your hormone levels are normal and address any underlying health issues you might have. Most importantly, remember that height doesn’t define you, and focusing on other aspects of health and fitness can be far more beneficial in the long run.