Can You Drink Black Tea Before Fasting Blood Test

Wait until after the technician draws your blood sample and then enjoy food and drink.

Can you drink black tea before fasting blood test. I am relatively new to this and wondered if a person can drink tea such as Oolong tea during that fast whether it is in the morning before checking the blood glucose or later in. Be sure to stay hydrated before your test by drinking the recommended amount of water for your. Mayoclinic recommends drinking tea or coffee before checking the lipids in a blood test ask to eat anything for at least several hours and sometimes twelve although some tests are accurate if they are in advance fasting sugar tests should definitely take 12 in The laboratory.

Taking supplements is generally allowed while fasting as long as there are no calories in them. Answer 1 of 3. Examples of blood tests that may require you to fast include.

These beverages generally will not affect the results of common fasting lab tests like cholesterol. You may also be told not to smoke before your test. In addition coffee and black tea can affect the test results due to compounds in them such as polyphenols and caffeine.

Black tea and coffee may change your blood chemistry and are not allowed while fasting 1. You can drink black tea and coffee but water is the best thing to drink to allow for most accurate results. These beverages generally will not affect the results of common fasting lab tests like cholesterol lipid panel metabolic panel or.

For all types of blood tests including fasting tests you can still drink plain water. Internal Medicine 38 years experience. To avoid fainting or other problems associated with low blood sugar do not fast for more than 14 hours.

Thanks it is a 14 hr fasting so it is from now until 915 tomorrow. Dehydration can affect certain blood tests such as cholesterol electrolyte and BUN tests. I have a blood draw in the morning i start fasting at midnight can i drink black coffee.