Zonulin Test

What the Zonulin Test Checks:

The test is looking in your blood for levels of zonulin. Zonulin is a protein that regulates the permeability of your digestive tract by affecting the tight junctions.

Signs You May Need This Test:

What it Tells Us:

The test tells us if you have increased intestinal permeability or “leaky gut”. This test may be used as a clinically equivalent alternative for those who don’t want to use the intestinal permeability assessment or “sugar” load test.