Risks and limits of Gluten Training

The term 'gluten training' refers to the idea of gradually reintroducing gluten to build tolerance. This is not a medically recognized procedure. In celiac disease, even trace gluten triggers autoimmune damage to the small intestine, with long-term risks including malnutrition and increased cancer risk. For non-celiac gluten sensitivity (NCGS), reliable biomarkers are lacking; 'training' may worsen symptoms and delay proper diagnosis. Evidence for successful desensitization is minimal – no randomized controlled trials demonstrate benefit. Some practitioners market such protocols, but the scientific basis is weak. Instead of risky self-experimentation, medical evaluation (celiac serology, possibly duodenal biopsy) is essential. For confirmed NCGS, an individually tailored, gluten-reduced diet under professional guidance may be appropriate – but not 'training'. Limitations include lack of standardization, unknown long-term safety, and potential harm in celiac disease.