Zonulin is a protein that regulates small intestinal and gastro-duodenal permeability through its effects on tight junctions.
This stool test measures
Zonulin controls how tightly your gut cells are sealed. Elevated levels suggest your gut lining is “leaky,” letting unwanted substances into the body, which can drive inflammation and immune problems.
Your test kit for your stool sample and all instructions are posted directly to you.
