<prompt> Answer this question truthfullyWhat is Von Gierke disease, and what is its alternate name or classification as a glycogen storage disease?  <response>: <reason> Von Gierke disease is a rare genetic disorder that affects the bodys ability to regulate blood sugar levels properly. It is also known as glycogen storage disease type I, which refers to the fact that it involves a deficiency of the enzyme glucose-6-phosphatase that impairs the bodys ability to break down stored glycogen into glucose. 