Glucose Glucose, sucrose and fructose are important carbohydrates, commonly referred to as simple sugars. They all provide the same amount of energy per gram, but are processed and used differently throughout the body Related Articles: Insulin Treatment in Type 2 DiabetesInsulin Treatment in Type 1 DiabetesThe beginning of the school yearEpisode 3: A Real Diabetes Patient Story with LeonEpisode 2: The ABCs of Diabetes with Dr. Sudipa SarkarAlternative Meanings: GlucoseA “simple sugar” that is the main source of energy for the body. When consumed in food, it causes a quick increase in blood glucose.