The MyBody-X Gluten Check is a genetic test that screens for risk variants associated with celiac disease (e.g., HLA-DQ2/DQ8). A common mistake is treating the result as a diagnosis – in reality, it only indicates genetic predisposition, not active disease. Many carriers of risk alleles never develop celiac disease, and a negative result does not rule out other gluten-related disorders like non-celiac gluten sensitivity. Another mistake is starting a gluten-free diet without medical supervision, which can lead to nutrient deficiencies and complicate diagnostic procedures. People also overlook that the test does not assess symptom severity or current immune response. The evidence for the genetic link to celiac disease is solid (human-moderate), but translating it into daily decisions is complex. MyBody-X itself states that its tests are for lifestyle purposes, not medical diagnosis. Anyone with persistent digestive issues should consult a gastroenterologist and consider an intestinal biopsy. The test can provide initial orientation but must not replace clinical evaluation.
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