FructoseFructokinasesFructose Metabolism, Inborn ErrorsFructosephosphatesFructose-1,6-Diphosphatase DeficiencyGlucoseFructosediphosphatesHexosediphosphatesFructose IntoleranceEnergy MetabolismLipid MetabolismFructose-BisphosphatasePhosphofructokinase-1Glucose Transporter Type 5LiverFructose-Bisphosphate AldolaseGlycolysisMetabolismPhosphofructokinase-2Dietary CarbohydratesSweetening AgentsKineticsLactatesSucrose