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SupportYes, fasting is generally recommended before a Vitamin B12 test. Most healthcare providers ask patients to fast for 6 to 8 hours before the test, as recent food intake can affect the levels of Vitamin B12 in the blood. Drinking water is usually allowed, but it's best to confirm specific instructions with your doctor or testing center.
Published by : Orange Health editorialUpdated on : 22 October 2024Parameter | Orange Health | Others |
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