Protein not only slows digestion, it also slows glucose absorption, which is very helpful to diabetics. 8 a.m. This rise in blood sugar levels happens to ensure enough energy to kick start the next day but diabetics do not have enough insulin to react properly to this condition. The patient consumed 80% of her daily calories from fat, and 5% as carbohydrates, for a total of 1,500 total calories per day.