At rest, the typical body stores of glycogen can provide energy for approximately 24 to 48 hours, depending on factors such as individual metabolism and activity levels. Glycogen is primarily stored in the liver and muscles, and it serves as a key energy source during low-intensity activities. Once these stores are depleted, the body begins to utilize fat as the primary fuel source. Overall, glycogen is crucial for maintaining energy levels during periods of fasting or low-intensity exercise.
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