Growth hormone deficiency is a medical condition where pituitary hormone located at the base of the brain does not produce enough growth hormone. The growth hormone (GH) is not the only hormone that the pituitary gland produces. It produces other hormones as well that are also related to growth the most notable being IGF-I or insulin-like growth factor I which is closely related to insulin. IGF-I helps promote normal bone and tissue growth and development including the tissues of liver kidney lungs and nerves. Although normal IGF-I levels does not mean that you don’t have GHD a low level of