You can consume nothing but water for at least 8 hours before a fasting glucose test. You may also need to follow a low carb diet and avoid exercise for some time before. A fasting glucose test ...

Some common blood tests require you to fast beforehand to help make sure the test results are as accurate as possible. You can typically still drink water during this period, but is drinking tea ...

Fasting before blood tests helps ensure accurate results by reflecting your true health status. Scheduling blood tests in the morning helps minimize waking hours spent fasting. You can drink water to ...