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 tight junctions.
Signs You May Need This Test:
- Metabolic syndrome
- Obesity
- Autoimmune diseases
- Celiac disease
- Type I diabetes
- Juvenile nonalcoholic fatty liver disease
- Multiple sclerosis
- Rheumatoid arthritis
- Asthma
- Inflammatory bowel disease
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.