Have you ever wondered why your doctor ordered you to undergo a 2-hour glucose tolerance test? If you have, then you aren’t alone. This test isn’t really common, and most people have no idea why it’s ordered or what it means to have this test done. That’s why we put together this guide on the 2-hour glucose tolerance test and how it can help you determine if your sugar levels are normal or if they need some attention from your healthcare provider.
Fasting Before the Test
Before you take the test, you will need to fast for at least 8 hours. This means no food or drink, and no water too. Fasting ensures that your body is in a fasting state so that the test results will be accurate.
Taking the Blood Sample
A small needle is inserted into a vein in your arm, and about 2 tablespoons of blood are drawn. The test usually is done in the morning, after an overnight fast.
Your blood sugar level will be checked periodically for the next 2 hours.
You may feel shaky, have a headache, or feel nauseated during the test.
These symptoms are caused by low blood sugar levels and usually go away quickly.
Post-Test Meal
After you finish the 2-hour glucose tolerance test, it's important to eat a meal that will help regulate your blood sugar levels. Eating a nutritious meal with complex carbohydrates, lean protein, and healthy fats will help you to stabilize your blood sugar and give you good energy throughout all your day.
Follow Up Recommendations
If you have diabetes, it is important to go to the doctor and monitor your blood sugar levels carefully. A two-hour glucose tolerance test can help you do this.
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