For generations, Dextro Energy has been a synonym for “grape sugar”. Generations of school children, working professionals and athletes have been able to depend on its performance-enhancing effects. Dextrose is a carbohydrate; along with fats and proteins, carbohydrates are the most important nutrients for human beings. Dextrose is the most important single sugar and is called “glucose” in medical terminology. The various descriptions all refer to the same molecule.