Vitamin C and vitamin E are two different vitamins and are generally not recommended to be taken on an empty stomach or before meals, but usually best taken half an hour after breakfast and dinner, depending on the individual. Vitamin C is a water-soluble vitamin, and vitamin E is a fat-soluble vitamin, there are some differences in the time of taking, but it is not recommended to take before meals or on an empty stomach, so as not to be rapidly absorbed into the blood, without the body can be excreted by urine, thus losing its value. After the meal, the gastrointestinal function is active, about half an hour to take vitamins more conducive to human absorption. Before taking vitamin E, you can eat more fatty foods to help better absorption and utilization. However, it should be noted that vitamin supplementation cannot replace the daily diet, and should be based on a balanced diet, and can be appropriate to eat more vegetables, fruits and other foods containing vitamins, which can help in the prevention of chronic diseases.