When you arrive at your doctor's office or lab, a member of your health care team will take a sample of blood from a vein in your arm. This blood sample will be used to measure your fasting blood glucose level.
How do you get a GTT test?
For this test:
- DO NOT eat or drink anything (other than sips of water) for 8 to 14 hours before your test. ...
- You will be asked to drink a liquid that contains glucose, 100 grams (g) .
- You will have blood drawn before you drink the liquid, and again 3 more times every 60 minutes after you drink it.
Can I do a glucose tolerance test at home?
There is no at-home glucose tolerance test at this time. This test requires several blood draws and laboratory analysis of blood samples, so it needs to be done in the setting of a clinic or laboratory.
