What is Fecal Anti Gliadin (Gut Zoomer)? High and low values | Lab results explained

Fecal anti-gliadin antibody tests for immune system reaction, IgA and IgG, to gluten in the diet. It enables direct and quantitative assessment of gluten exposure early after ingestion and could aid in the diagnosis and clinical management of nonresponsive CD and refractory CD.

What does it mean if your Fecal Anti Gliadin result is too high?

The presence of fecal antigliadin antibodies can indicate an immune response (in the gut) to gluten in the diet.

Gliadin is a component of gluten, the protein found in wheat and other field grass grains such as barley, malt, and rye. Fecal anti-gliadin antibodies do not necessarily correlate with blood levels.

High Anti-gliadin SIgA – Elevated immune response to gliadin in the lumen of the gut.

Possible treatment options:

– Consider gluten elimination for a trial period

– If you have been gluten-free, consider hidden sources of gluten and gliadin cross-reactive food such as dairycornoatsmilletrice and yeast.

– Consider intestinal barrier support, including supplements such as L-glutamine, zinc carnosine, and colostrum.


Test results may vary depending on your age, gender, health history, the method used for the test, and other things. Your test results may not mean you have a problem. Ask your healthcare provider what your test results mean for you. 

The information on is NOT intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice.

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