Can I Drink Coffee Before A Fasting Blood Test For Thyroid

Therfore you can drink tea.

Can i drink coffee before a fasting blood test for thyroid. Answered 3 years ago Author has 155 answers and 4173K answer views. Most of the time you cannot drink coffee the morning of a fasting blood sugar test. 3 A 2005 study in The Annals of Pharmacotherapy found that one 6-oz cup of black coffee consumed an hour before the test led to very little clinically insignificant changes.

Avoid Over Fasting this particularly applies to diabetic individuals and pregnant women. The caffeine in your morning cup of joe may raise or lower your blood sugar levels. Thats because it contains caffeine and soluble plant matter which might skew your test results.

But your stomach is growling and you have serious caffeine withdrawal hours before you roll up your sleeve. Juice coffee soda and other beverages can get in your bloodstream and affect your results. You never know what kind of nutrient value or additives are in those liquids so its best to just stick with sips of water.

You need that cup of caffeinated energy before. This means no coffee or tea beforehand but taking your vitamins or medications is okay. If thyroid blood test is the only test you are having coffee is not likely to materially affect the results.

In addition you should not. This may be because they change your thyroid function. Over fasting can also sometimes alter test results.

According to William Kormos MD the Editor in Chief of Harvard Mens Health Watch its okay to drink water plain coffee or black tea. Can I drink anything besides water during a fast. Its the morning of your bloodwork and your doctor said to fast before the test.