What should you not eat the day before a blood test?
Subsequently, one may also ask, does what you eat the night before affect blood test?
So, if a person eats food before the iron blood test, the results may show inflated levels of iron. To ensure accurate results, people are asked not to eat anything on the morning of the test. Some people may take iron supplements or multivitamin tablets that contain iron. These can also affect results.
Furthermore, what should you eat before getting blood drawn? With certain blood tests, you may be instructed to fast for up to eight hours before your appointment. Fasting before a blood draw means you don't eat or drink anything except water. Don't wait until the day of your blood draw to ask if you should fast.
Also Know, what happens if you don't fast before a blood test?
A: If you don't fast before a test that requires it, the results may not be accurate. If you forget and eat or drink something, call your provider and ask if the test can still be done. And if fasting is an absolute must for meaningful results, they should stop and reschedule your blood draw.
What should you not do before a blood test?
Before Your Blood Test
- Fast Smartly. Fasting for a blood test entails avoiding all food and beverages (except for water) for 8 to 12 hours prior to the test.
- Drink Water. Many people believe they should avoid water before a blood draw, but this couldn't be further from the truth.
- Insurance Coverage.