There is no such thing as “what is the best thing to eat the day before the glucose tolerance test”. Glucose tolerance generally refers to the glucose tolerance test, and the day before the glucose tolerance test, you should maintain a normal diet, and ensure that your daily intake of carbohydrates is not less than 150 g. The glucose tolerance test is a kind of glycemic load test, which can be used to diagnose diabetes. Glucose tolerance test is a glucose load test, which can be used to diagnose diabetes. There is no special dietary requirement for the day before the glucose tolerance test, so there is no such thing as “what is the best thing to eat the day before the glucose tolerance test”, but the daily diet should contain not less than 150g of carbohydrates for three days before the test. It should be noted that before the test, you need to keep fasting for 8~10 hours, sugar water needs to be finished within 5 minutes, and during the test, you can’t drink coffee, strong tea and other beverages. People who need to take the glucose tolerance test should actively cooperate with the test process, and if the glucose tolerance test is abnormal, they should follow the doctor’s instructions for treatment.