Typically, 20 grams of blood-born glucose circulates every hour. If our blood sugar drops below that, the body will use the glucose immediately for preserving blood glucose and for immediate energy. If excess glucose is present, the liver and muscles will take up what they can. The liver can store about 80-100 grams of glycogen before it's topped off. And the muscles can store between 300 and 600 grams of glycogen before they're topped off. Beyond this, additional glucose can be transformed into body fat. (Nutrition The Complete Guide, ISSA, 200)