Primarily you can log all foods you have eaten throughout the day (a database with about 1100 foods is included). Eat It! calculates the intake of calories. Furthermore there are 25 nutrients which are also analyzed by the program: Alcohol, Calcium, Carbohydrates, Carotene, Cholesterol, Dietary fiber, Fat, Unsaturated fatty acid, Folic acid, Iron, Magnesium, Phosphorus, Potassium, Protein, Animal protein, Sodium, Urine acid, Vitamin A/B1/B2/B6/C/E, Water, Zinc.