There is no medicine that can increase height in adults once the growth plates in the bones have closed. Height is mainly determined by genetics, nutrition during childhood, hormones, and overall health. In children and teenagers, growth hormone treatment may be used only if a doctor finds a true deficiency or specific medical condition affecting growth. This treatment is not for general height increase and must be closely monitored by a specialist. It is not used for everyone and should never be taken without medical advice. A healthy diet rich in protein, calcium, and vitamin D, along with regular physical activity and adequate sleep, can help a child reach their natural height potential. Many products and supplements that claim to increase height do not have scientific evidence and should be avoided. In adults, surgical limb lengthening is the only method that can increase height, but it is complex, expensive, and carries risks, so it is rarely recommended. If you are concerned about height, it is best to consult a doctor for proper evaluation.