IgG antibodies are commonly generated during prolonged contact with specific antigens (such as food antigens during small intestinal passage). All you should know about IgG4 testing for food intolerances.
The information provided on the Food Intolerance Network website is no substitute for a visit to a registered dietician, nutritionist or a doctor. The information that you will find here may not be used as a substitute for professional advice and treatment by a medical professional or approved and registered dieticians. The content of the Food Intolerance Network website may not be used as a basis or means for any form of self-diagnosis.