Food intolerance tests: science vs marketing
Commercial tests that measure IgG antibodies to diagnose food intolerance are not scientifically reliable. The presence of an antibody does not necessarily mean that the food causes health symptoms. These tests may simply indicate repeated exposure to the food, rather than the presence of a true allergy or intolerance. Moreover, relying on them for managing diets can lead to reduced dietary diversity, increased food anxiety, and delays in accurately diagnosing other conditions such as celiac disease or immediate food allergies. Research confirms that an accurate diagnosis requires careful clinical evaluation and targeted testing, rather than relying on unproven commercial results, in order to avoid unnecessary procedures and the health risks they may pose.
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