{"id":15383,"date":"2018-11-19T20:01:03","date_gmt":"2018-11-19T20:01:03","guid":{"rendered":"https://medartslab.com/?p=15383"},"modified":"2018-11-29T21:07:21","modified_gmt":"2018-11-29T21:07:21","slug":"what-to-know-about-fasting-before-a-blood-test","status":"publish","type":"post","link":"https://medartslab.com/what-to-know-about-fasting-before-a-blood-test/","title":{"rendered":"What to Know About Fasting Before a Blood Test"},"content":{"rendered":"

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In previous blog posts, we discussed <\/span>how frequently you should have a blood exam<\/span><\/a>, and<\/span> what to expect during a blood exam<\/span><\/a>. In preparation for these tests, there are specific requirements to follow, one of which is fasting. Keep reading to learn how food can impact blood test results, and which ones you will be requested to fast for.<\/span><\/p>\n

Can I Eat Before a Blood Test?<\/b><\/h3>\n

\"FastingWhile tempting, food is not a friend of blood exams. But how can <\/span>food alter test results<\/span><\/a>? The nutrients your body absorbs from food \u2013 minerals, vitamins, proteins, fats and carbohydrates \u2013 can affect blood level readings. This may potentially cause inaccuracies in comparison to normal levels. To prevent this, your doctor will require you to fast from 8 to 12 hours prior to a test. Times will vary by test, and some will have fewer or more specific foods to refrain from.<\/span><\/p>\n


\n<\/b>Which Blood Tests Require Fasting?<\/b><\/b><\/h3>\n

Although not every blood test involves fasting, many <\/span>annual blood exams<\/span><\/a> do. Your doctor will be able to explain the extent of the fast necessary. If you are unsure, or have any questions, be sure to ask. You should also inform your doctor of any medications or supplements you take regularly, to ensure they won\u2019t influence the test results. Some <\/span>common tests that require fasting<\/span><\/a> include:<\/span><\/p>\n