MyBody-X's 'Rice Gluten-Free Check' is not a genetic test but a food test for gluten contamination. Rice is naturally gluten-free, but cross-contamination can occur during cultivation, transport, or processing with wheat, barley, or rye. The test detects gluten residues using ELISA or PCR – a well-established lab method. However, a negative result does not completely rule out trace contamination, and detection limits vary. For individuals with celiac disease or wheat sensitivity, the test can be useful but does not replace medical advice. MyBody-X should clearly state this is a food test, not a DNA test. Evidence: practice-based, not for genetic predisposition. Caveat: No statement about individual tolerance possible.
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