Humans desire to stay young and lead an active lifestyle as long as they live in this world. Many hate the ageing process and try different therapies to postpone or reduce the impact of aging. Medical researchers of human-ageing found that the HGH hormone secreted in pituitary gland is responsible for our growth and aging in our body. This is a multifunction hormone which impacts, body weight, muscle growth, energy levels, sexual functions and immunity system. Further research is carried on by many doctors and experts to know the full benefits of this hormone.