Get The Info You Need About Human Growth Supplements And Aging by Robert ReadMany Scientists define aging as the degradation of skeletal muscle formation. Some say its an inability of DNA cell reproduction. In both cases, your human growth hormones are at the root of the subject. Human growth hormones are produced in your Anterior Pituitary gland and play a big role in cell reproduction and in your immune system function. Natural production of these hormones in your body starts to fall