Glucose is a simple monosaccharide that is used as an energy source for every cell in the human body. It is also referred to as dextrose. Glucose is absorbed directly into the bloodstream, as it requires no digestion.
Glucose is a moderately sweet sugar that is found in fruits and vegetables. It also can be formed from a variety of biochemical reactions in the human body. Polysaccharides and disaccharides may also be broken down into monosaccharides once they enter the digestive system. Other common monosaccharides include galactose and fructose. These simple sugars are also utilized by the body for energy.