Most people ask, “What are HGH injections“? Hormones are extremely vital to normal body functions. They are the messengers that are used all over the body to stimulate certain activities. Now there is a physician prescribed, medically supervised, cost-effective answer to Adult Growth Hormone Deficiency (AGHD). Someone that suffers from AGHD can improve their skin, energy, sexual power, memory, heart, immune system, and muscles by starting an HGH plan. Low testosterone can be fixed by starting use testosterone replacement. You can see more about testosterone therapy by looking on the web.