Diabetic DietDietDietary CarbohydratesBlood GlucoseDiet, Carbohydrate-RestrictedCarbohydratesCarbohydrate MetabolismDietary FatsDiet, ReducingDiet, Fat-RestrictedDietary ProteinsDiet FadsBody WeightEnergy IntakeDiabetic RetinopathyDiabetic NephropathiesDietary FiberTriglyceridesInsulinStarchDiet, High-FatGlucoseLipidsAnimal FeedEatingFastingDiabetes Mellitus, Experimental