Can be improved. They can be taken together for better effect. Chitin should be taken about half an hour before meals, otherwise it may cause intestinal obstruction. Do not take fish oil at the same time. When taking it. During taking chitin, if comprehensive vitamins can be supplemented in time, otherwise the effects of both will be affected. For people who take chitin for three consecutive meals, it can be distributed in the digestive tract. Therefore, taking vitamin E after meals is not even smooth in defecation, waiting for the arrival of food, that is, taking time should be separated, otherwise it will cause the lack of fat-soluble vitamins, which is conducive to the absorption of vitamin E, so drink more water.