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This is Why Working Out Fasted is Great for Fat Loss
Burn more fat while you workout
When you are in the fasted state, especially after 12–24 hours, the glycogen stores in your liver are pretty close to being fully used up. What does it mean when I say glycogen is “used up?” Glycogen is basically many individual glucose units (monomers) combined together through special linkages. Your liver, a vital and metabolic organ, stores a lot of glycogen. When you consume food, especially food rich in carbohydrates, your blood glucose rises. Chronically high blood glucose levels can be dangerous as this can negatively affect many important body parts and organs. However, after eating food, if the pancreas is working normally, it releases insulin, a hormone responsible for lowering blood glucose.
You may be wondering how your blood glucose magically decreases back down to normal levels. Insulin allows the excess glucose in your blood, after a meal, to enter the cells of your body as glucose is vital for your cells. For example, your liver cells, fat cells, and muscle tissue take in glucose and other nutrients after a meal, which helps lower your post-prandial blood glucose levels. When the glucose enters your liver, glucose monomers can combine (creating glycosidic bonds) together to make glycogen in a process called glycogenesis (the synthesis of glycogen).
