Glucose is processed throughout the whole body, while fructose is almost entirely metabolized by the small intestine and liver. Both sugars are found naturally in fruits, vegetables, dairy products and grains. Fructose it is favored by the food industry because it is sweeter than glucose.
https://source.washu.edu/2024/12/research-reveals-how-fructose-in-diet-enhances-tumor-growth/
https://source.washu.edu/2024/12/research-reveals-how-fructose-in-diet-enhances-tumor-growth/