Can I drink coffee before a fasting blood test for cholesterol?
Can I drink coffee before a fasting blood test for cholesterol?
Drinking a cup of black coffee before a cholesterol test might not significantly affect the test results. However, it is best to follow a doctor’s orders. If the doctor suggests fasting before a cholesterol test, then the person should fast.
How long before a blood test can you drink coffee?
Fasting means you don’t eat or drink anything but water usually for 8 to 12 hours beforehand. If your appointment is at 8 a.m. and you’re told to fast for 8 hours, only water is OK after midnight. If it’s a 12-hour fast, avoid food and drink after 8 p.m. the night before.
Does coffee break a fast for blood work?
Coffee: Coffee affects digestion and can also affect the results of a blood test. As such, people should not drink coffee before a fasting blood test. Chewing gum: Chewing gum, even if it is sugar-free, should be avoided when fasting for a blood test.
What can you drink before fasted blood test?
Why do I need to fast before my blood test? If your health care provider has told you to fast before a blood test, it means you should not eat or drink anything, except water, for several hours before your test.
What blood tests require fasting?
The tests that require fasting are blood cholesterol, glucose and triglyceride tests. Even vitamin levels’ testing such as vitamin A and E also require fasting. For blood cholesterol and triglyceride tests, a 12 hour fast is essential.
Can I have caffeine before a fasting blood test?
Drinking coffee before blood test can affect the results of tests that measure blood sugar and cholesterol levels. Coffee contains caffeine that is easily absorbed into the system at a fast rate. Caffeine can temporarily raise blood sugar levels resulting to an inaccurate fasting blood sugar (FBS) result.
What to know about fasting before a blood test?
It is important that you do not eat or drink anything but water.
What can you have before a fasting blood test?
Fasting for a blood test entails avoiding all food and beverages (except for water) for 8 to 12 hours prior to the test. Drink plenty of water and take your medications as usual.