HGH hormone ne wanda jiki ke samarwa ta halitta.An haɗe shi da gaske kuma an ɓoye shi ta ƙwayoyin fata a cikin glandan pituitary na baya wanda yake a kasan kwakwalwa.HGH yana ƙarfafa yawancin matakai na rayuwa a cikin sel.HGH yana tasiri furotin, mai, carbohydrate da metabolism na ma'adinai.Babban aikin HGH shine tada hanta don ɓoye Insulin-like Growth Factor-I (IGF-I).