Can You Drink Coffee Before A Blood Test For Diabetes

News stories can in the same week tout the benefits coffee can have on diabetes and shoot down coffee as being unhelpful for blood sugar levels.

Can you drink coffee before a blood test for diabetes. Its OK to drink a cup of plain black coffee before a cholesterol test. If you already have diabetes however the impact of caffeine on insulin action may be associated with higher or lower blood sugar levels. Coffee interferes with blood test results as it contains caffeine and soluble plant matter.

The original 50g glucose tolerance test in the UK used to allow a. I fasted before a test at the hospital and it was a bit high. Coffee affects digestion and can also affect the results of a blood test.

Drinking coffee before taking a blood test can alter your glucose levels and mislead your doctor into thinking you may be suffering from high blood sugar or diabetes. Fast for eight to 12 hours before having your blood drawn. If youre like most adults you have your cholesterol checked at least every five years.

Numerous studies have shown that drinking multiple cups of coffee a day will actually decrease your chances of developing type 2 diabetes. The caffeine may cause inaccurate results. As such people should not drink coffee before a fasting blood test.

There are lots of other links on this subject in the. I was told to eat something and return two hours later for another test. Its recommended that you avoid coffee and other liquids during your fast McKnight said.

While its true that people with diabetes should measure their blood sugar at regular intervals there are some distinctions regarding how often to test. You can eat and drink as normal before some blood tests. Even coffee with cream and a bit of sugar shouldnt affect your glucose after two hours.