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 ...

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 ...

A person should only fast before a blood test if their doctor or healthcare professional specifically instructs them to do so. Not all blood tests require fasting. If a doctor or healthcare ...

Non-fasting glucose levels should usually be under 125 mg/dL. A non-fasting glucose level above 200 mg/dL could indicate diabetes. A random blood glucose test measures sugar levels anytime, even after ...