The chemical formula for glucose is C6H12O6. It is a white, powdery compound that is soluble in water and involved in numerous biological processes throughout the human body.
In the human body, glucose is absorbed directly into the bloodstream from the food that humans eat. It then is utilized by cells in the body as a source of energy. As an energy source, glucose can be utilized in aerobic respiration, anaerobic respiration and fermentation. It is a monosaccharide that is also a primary source of energy for the human brain. Its bioavailability in the body greatly affects the body’s ability to function properly.