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Doctor insights on: Can I Have Coffee Before A Fasting Blood Test

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Can I consume black coffee prior to a blood test? I'm having a Complete metabolic panel drawn tomorrow which requires fasting.

Can I consume black coffee prior to a blood test? I'm having a Complete metabolic panel drawn tomorrow which requires fasting.

Better to avoid it: It is better to not eat or drink any thing more than 8 hours, except taking water.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more

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Three cups of black coffee before my fasting blood test. Potassium came in at 5.7. Could this be the cause. I'm healthy otherwise.

Three cups of black coffee before my fasting blood test. Potassium came in at 5.7. Could this be the cause. I'm healthy otherwise.

No.: Have the test repeated. Blood cells can break down and release potassium. If the specimen was drawn in a way that traumatized the red blood cells, or if it sat around a long time before being tested, it will have an artificially high potassium. ...Read more

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Can drink coffee before blood test cause elevated alt?

No: In fact, coffee has been shown to lower ast and alt. ...Read more

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Can coffee give cause cancer do I need to have a blood test.

Can coffee give cause cancer do I need to have a blood test.

No and No: Coffee does not give you cancer and you do not need a blood test. Incidentally there is no good blood test for cancer. ...Read more

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I am 18 I woke up and drank coffee with 2 teaspoons of sugar and I took a blood test and the result was 108 is it normal?

I am 18 I woke up and drank coffee with 2 teaspoons of sugar and I took a blood test and the result was 108 is it normal?

Depends: Blood glucose is best monitored in fasting condition. You should have fasted at least 8 hours not taken anything other than water. This result is not interpretable due to your intake of coffee and sugar before the blood draw. ...Read more

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Is it possible for me to drink coffee before a thyroid blood test?

You may: If thyroid blood test is the only test you are having, coffee is not likely to materially affect the results. Generally it is better to be fasting for lab tests. ...Read more

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How does coffee with cream and stevia affect a blood test for diabetes?

How does coffee with cream and stevia affect a blood test for diabetes?

Hard question: The U.S. Food and drug administration recognizes stevia as safe, clearing the way for foodmakers to use it in a variety of products. Interest in stevia is high because it comes from a plant and has virtually no calories and no carbs, and therefore won't raise blood sugar. Dairy products have carbohydrates and can affect blood sugar. If you have type 2 diabetes and you're could increase your ...Read more

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Decaf coffee vs coffee. I take 4 cup of coffee per day. (2 cup of decaf and 2 cup coffee per day)am doing blood test on 25th for pregnancy. Is it 2much?

Maybe: Data suggests that it may be best to limit yourself to no more than 1 regular cup of coffee a day while pregnant. ...Read more

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How can coffee with cream and aspertane (equal brand sweetener) affect a blood test for diabetes?

How can coffee with cream and aspertane (equal brand sweetener) affect a blood test for diabetes?

Aspartame: It doesn't. Aspartame is an artificial sweetener which has no calories and does not raise the blood sugar. It also does not get broken down by the body and gets stored in the liver. Safer and natural sweetener alternatives are agave and stevia. Stevia has no calories and will not raise blood sugar. Agave has a low glycemic index and will raise blood sugar slowly. Both taste great--try them! ...Read more

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Can you fast too long before a fasting blood test?

In a way, yes: If you fast for longer than a day or so, it will alter some blood chemistries. Fasting tests are usually set for an overnight fast, or a 12 hour fast. Prolonged fasting is starvation and it affects the body metabolism. ...Read more

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Can you have a cup of tea before a fasting blood test?

You shouldn't: While the tea by itself is considered a "liquid" only, you may mix it with sweetner or cream. Further, there can be stimulating effects, which may have a change in your glucose or Insulin release. Just better to have water only. ...Read more

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Can you drink diet pop before a fasting blood test?

Can you drink diet pop before a fasting blood test?

NO: It will change the results. Fasting means fasting. Rinse your mouth out if you're dry. ...Read more

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Could a fasting blood test tell if I have hypothryoidism?

Could a fasting blood test tell if I have hypothryoidism?

Possible: If the lab order included the thyroid function test. Usually the routine blood work does not include thyroid function test, unless the ordering doctor is suspecting that you have signs or symptoms of hypothyroidism. Hope this helps. ...Read more

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Can what you eat the day before affect a fasting blood test?

To a modest degree: The most important thing to to make sure you fast, not change your normal diet because of the testing. ...Read more

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Is an LDL direct measurement blood test accurate if you are not fasting?

Is an LDL direct measurement blood test accurate if you are not fasting?

Yes: Direct measurement of LDL is accurate in non-fasting condition. Triglyceride levels are not reliable in non-fasting state.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more

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What happens if you weren't fasting till 1am and go for the fasting insulin blood test?

What happens if you weren't fasting till 1am and go for the fasting insulin blood test?

Need Eight hours: The minimum fasting period is eight hours. If you get your blood drawn after 9:00 am, you should be okay. It is preferable to have a 12 hour fast. ...Read more