The wheat tested is the full kernel containing the protein constituents of wheat. This includes what may be on or in the wheat kernel. These are gluten proteins, and non-gluten proteins (non-gluten proteins A and B and Wheat Germ Agglutinins). A positive result to wheat means that your digestive system is not absorbing these proteins well, therefore your immune system starts producing antibodies to gluten or non-gluten part(s) of wheat.
Gliadin-Transglutaminase Complex IgA
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