Can you drink coffee while fasting for bloodwork?
To prevent your blood work from being adversely affected by coffee consumption, you should avoid consuming this beverage until after your fasting and blood testing periods are over.
What is fasting prior to blood work?
Why Can’t You Eat or Drink Before Blood Work?
- Fasting Blood Tests. There are three main tests that require fasting — glucose, cholesterol and iron. …
- Purpose of Fasting. Because every human body is different, a set standard of fasting lipid values are necessary to determine which levels of glucose, cholesterol and iron are unhealthy.
- Complete Chemistry Screening. …
- Medications. …
What labs require fasting?
Fasting is the abstention from food and beverages for 8-12 hours before a blood test. It is a standard procedure for patients to conduct prior to a blood draw. However, each blood test differs, and it is essential for a phlebotomist to learn which tests require fasting, whether or not the patient can drink liquids, and the fasting period’s …
Will coffee affect fasting blood test?
Though some tests might be accurate if you are drinking coffee beforehand, the fasting blood sugar test definitely will not be. The fasting blood sugar, or FBS, measures the amount of glucose in your blood. This is often used when you are being tested for diabetes or related conditions.