How Do You Prepare For An Oral Glucose Tolerance Test?
These are the things you need to know but your doctor won’t tell you in order to prepare for an oral glucose tolerance test. The glucose tolerance test is used to test for diabetes and insulin resistance by administering glucose orally (by mouth) to determine how quickly it is cleared from the blood. You must be fasting. You cannot have anything to eat or drink after midnight of the morning of the test. This includes coffee, flavored water, mints, or gum. Also no smoking. Caffeine, nicotine, and sugar alter the way the body processes the glucose that will be administered for the oral glucose tolerance test. Both blood and urine are required for the fasting specimen. This is why it is a good idea to have some water available to drink in order to produce a urine specimen each time your blood is drawn for the glucose tolerance test. After your fasting specimen is drawn, some laboratories run the glucose test before administering the glucose beverage, also known as glucola. If your fasting
