Can You Drink Black Coffee When Doing Fasting Blood Work
You have a problem.
Can you drink black coffee when doing fasting blood work. Even black coffee contains caffeine and soluble plant matter. You need that cup of caffeinated energy before you even walk. Besides caffeinated drinks including coffeesweetened or decaffeinated is going to affect liver function.
Traditionally patients are asked to fast eight to 10 hours before a cholesterol-checking blood test which means not having anything to eat or drink in those hours leading up to your test. If you have been told to fast before a blood test you should not drink coffee. Other chemicals that can enter your blood stream.
Previous topic was about how long should you fast before blood work dont miss. You may think that a water-brewed drink such as black coffee wont upset your fast but the caffeine and other organic compounds in coffee beans that infuse the water will. However there are others where what you should be doing is more unclear.
You need only plain water without added vitamins flavoring or carbonation to achieve the correct fluid and electrolyte balance in your blood chemistry prior to fasting labs. Whether you will be required to fast or not will depend on your doctor although mostly a blood test for cholesterol does require a 9-to-12-hours fasting. However if you go through various online reports youll note one thing - THEY SAY DIFFERENT THINGS.
Mayo Clinic Medical Laboratories allows drinking coffee up to two hours before some tests. The hours you spend sleeping are considered part of the fasting period as long as you dont break your fast with coffee or food once youre awake. Even if you drink it black coffee can interfere with blood test results.
Blood work and coffee. If it is non-fasting then you can have coffee but be sure to. These substances can change your blood chemistry or alter body functions to do so and therefore threaten the objectivity of your blood sample analysis.