What Happens to Sugar in Your Body After You Eat It?

What happens after you eat sugar, bread, rice, honey or a sweet drink? Your body first breaks carbohydrates into smaller sugars, especially glucose, before using them as fuel. Digestion starts in the mouth, pauses largely in the stomach, and continues mainly in the small intestine. After absorption, glucose enters the bloodstream. Insulin helps muscle, fat and liver cells take it up for immediate energy or storage as glycogen. When blood sugar falls between meals, glucagon signals the liver to release some stored glucose. Excess energy can eventually be stored as fat, but glucose does not automatically become fat. Fibre also follows a different path: much of it reaches the large intestine, where it supports gut health and normal bowel function. The speed at which blood sugar rises depends on the meal. Sugary drinks can raise it quickly, while meals containing beans, vegetables, whole grains, protein and healthy fats are digested more gradually. This process is especially important in understanding diabetes and blood-sugar control.

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