Can You Drink Black Coffee Prior To A Fasting Blood Test

The caffeine in your morning cup of joe may raise or lower your blood sugar levels.

Can you drink black coffee prior to a fasting blood test. For best results avoid drinking all non-water beverages for the recommended amount of time before your test. Doctors typically provide answers within 24 hours. However most doctors state that it is okay to drink black coffee before a glucose test.

And you probably know the drill. Generally it is better to be fasting for lab tests. Coffee wont affect an a1c but it may affect your fasting glucose level.

Black coffee before a blood test. If thyroid blood test is the only test you are having coffee is not likely to materially affect the results. Take your regular medications unless you are specifically told to take them only with food.

For some people not all caffeine can raise your blood sugar. Yes in most cases you may drink black coffee before a fasting blood test or black tea if thats your preference. Your doctor will let you know if and when you should be fasting or will refer you to the testing laboratory for explicit instructions.

Your doctor will ask. Within 30-60 minutes of coffee intake blood was drawn for follow-up lipid panels. You should not eat for eight hours before having your blood glucose measured to check for diabetes or to see how well treatments are working.

It is considered important so that the. Therefore to get an accurate test its best to wait until after your test to drink your coffee. Originally Posted by Cora1003.