Does drinking coffee before blood tests affect the results?
How can the drinking of coffee before going for a blood test affect its results? Coffee can affect your metabolism, your blood as well as the results of your blood test. To avoid an inaccurate result, only water should be permitted for particular tests.
What should you not eat the day before a blood test?
You should not eat food, drink coffee or take some medications for eight to 12 hours before a fasting blood test, but most physicians agree that you can drink water.
Is coffee good to drink before taking tests?
What Is the Best Thing to Drink Before an Exam?
- Keep Away From Caffeine. Avoid large doses of caffeine prior to taking an exam. …
- Skip the Sugar. Sugary beverages aren’t good for you ever, but you should definitely plan on skipping them in the hours leading up to a test.
- Don’t Have Too Much of Anything. You shouldn’t drink too much of anything, even healthy beverages, before an exam. …
- The Bottom Line. …
Is fasting necessary before a cholesterol test?
You’re generally required to fast, consuming no food or liquids other than water, for nine to 12 hours before the test. Some cholesterol tests don’t require fasting, so follow your doctor’s instructions. What you can expect During the procedure. A cholesterol test is a blood test, usually done in the morning if you fast overnight.
