Short answer: Probably not
The vast majority of our blood tests can be performed without fasting. Only for a limited number of specific tests is 12 hours of fasting required.
Tests that do require fasting
These tests require 12 hours of fasting for accurate results
Homocysteine
12 hours fasting required
Important for cardiovascular disease and vitamin B status
HOMA IR (Insulin Resistance)
12 hours fasting required
Measures how well your body handles sugar and insulin
Bone Enzyme (BAP Osteoporosis)
12 hours fasting required
For research into bone density and osteoporosis
Cortisol (Stress Hormone)
Test before 10:00 AM
Not fasting, but early in the day for best results
Fasting: what's allowed and what's not?
Follow these guidelines for optimal test results
This is allowed
Drinking water
Unlimited water is always allowed and encouraged
Light breakfast (non-fasting tests)
Maximum 2 slices of whole wheat bread with lean topping, no butter
Taking medication
Continue your medication unless your doctor has advised otherwise
This is not allowed
Coffee and tea with milk/sugar
Only water is allowed during the fasting period
Dairy products
Milk, yogurt, cheese can affect test results
Fried and fatty foods
Can disrupt lipid values and other parameters
Alcohol
Avoid alcohol 24 hours before the test
Unsure about your preparation?
If you're unsure whether your test needs to be fasting, or have questions about medication, please contact us. We're happy to help you with the right preparation.
Contact us via our contact page for personal advice.Ready for your blood test?
Now that you know how to prepare, you can order your blood test.
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