I fasted for 18 hours. Will that affect my blood test?
Yes, 18 hours fasting may affect blood glucose levels.
Last updated on 29 Mar 2023
Yes eating before the test could result in false results.
Food nutrients can interfere with the test especially in the case of fasting blood glucose hence it is advised to remain empty stomach before giving the test.
For fasting blood glucose test one should not eat anything before the blood test.
Mornings are the best time to take the test.
The tests are fasting blood glucose test, HBA1C, and post prandial blood test.
FBS, FBG, Fasting Blood Sugar
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