Fasting before blood tests helps ensure accurate results by reflecting your true health status. Schedule blood tests in the morning to minimize waking hours spent fasting. Drink water to stay hydrated ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

Not all blood tests require you to fast, but you should always follow your doctor’s instructions if you do need to fast for a specific exam. Blood tests are common procedures that healthcare providers ...