The Human Growth Hormone was first used to boost the height of abnormally small children. There are currently over four hundred thousand children who meet the requirements to have HGH prescribed to them for this issue. There is a specific treatment called Humatrope makes the human growth hormone available to more children who are lacking in height. Studies show that 1.5 to 3 inches could be safely added onto the final adult height by using this product. The time frame for this growth is accepted as two inches in one year for children who have not yet hit puberty. It is clear that injecting Human Growth Hormone into children with stunted growth is safe and effective when done by a doctor.