Used as a source of energy in intravenous fluids to treat dehydration, low blood sugar, and provide nutrition when patients cannot eat. Commonly administered in hospitals during surgery, recovery, or illness. Also used in oral rehydration therapy to restore fluids and electrolytes. In laboratory settings, serves as a substrate for cell cultures and fermentation processes. Widely used in food and beverage industry as a sweetener and energy booster in sports drinks and energy supplements.