Although glucose is free to move from the digestive tract to the bloodstream and from the bloodstream to the interstitial fluid, it cannot enter most body cells without the help of insulin. Insulin is a pancreatic hormone. The main function of insulin is to transport glucose from the blood and interstitial fluid into the cells.
DID YOU KNOW? If you eat more carbohydrates than your body needs and your liver can store, the excess glucose is converted and stored as fat.