Glucose, a type of sugar, is stored in the liver and muscles in the form of glycogen. Glycogen is a complex carbohydrate that is made up of many glucose molecules linked together. The liver and muscles can store glycogen, and when the body needs glucose for energy, the glycogen can be broken down into individual glucose molecules and released into the bloodstream. This helps to regulate blood sugar levels and provide a steady source of energy for the body. In addition to being stored in the liver and muscles, glucose can also be stored in fat cells as body fat. However, this is not a major source of glucose for the body’s energy needs.