Can Zöliakie Test help with Sport?

A celiac test (typically HLA-DQ2/DQ8 genotyping) can indirectly help with sports if you experience unexplained performance drops, fatigue, or digestive issues. Celiac disease is an autoimmune reaction to gluten that can cause malabsorption of iron, vitamin D, and calcium – impairing endurance, recovery, and muscle strength. However, the genetic test only indicates predisposition: about 30–40% of the population carry HLA-DQ2/DQ8, but only 1–2% develop active celiac disease. A positive result is not diagnostic; it requires follow-up (antibody tests, intestinal biopsy). For athletes without symptoms, the test offers little benefit – a gluten-free diet without medical indication does not enhance performance and may lead to nutrient deficiencies. Evidence: the genetic link is strong (human-strong), but the sport application is indirect and practice-based. Safety note: always consult a doctor if celiac disease is suspected; do not self-diagnose or self-treat.