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absorption of fructose into an intestinal epithelial cell is by facilitated transport and thus does not require energy

metabolism of fructose generates more energy than glucose

some fructose is already absorbed in the mouth and hence is the fastest way to get energy

the presence of fructose aids in absorption of vitamin A, C, and D

the presence of fructose inhibits reabsorption of glucose, which is then more readily available for muscle activity