can you drink coffee while fasting labs
Hit up the tea if your desperate for caffeine</li></ul><br /><br /><ul><li>Generally, no. You should try to drink only water.</li></ul><br /><br /><ul><li>It depends on the test your having done. If you drink black coffee, with no additives, you can still have fasting labs done. However, coffee will increase your blood pressure and affect some tests .... especially a CRP.</li></ul><ul><li>Your paying for these tests. I would recommend no coffee 10-12 hours prior if your not sure.