Used as a primary energy source in biological systems, it plays a critical role in cellular respiration and metabolism. Widely applied in the food industry as a sweetener and texturizer in baked goods, beverages, and processed foods. Commonly used in medical settings through intravenous solutions to provide nutrition and maintain blood glucose levels in patients. Serves as a fermentation substrate in the production of ethanol, organic acids, and antibiotics in biotechnology. Also utilized in the manufacturing of gluconic acid, sorbitol, and other glucose-derived chemicals for pharmaceutical and industrial applications.