{"count":2,"index":{"built_at":"2026-07-28T03:55:14.074656+00:00","public_records":55311,"revision":"87a26518b7a5d480d14c11e6"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: Leaky Gut Test in the context of Sport"},"results":[{"answer":"The concept of 'leaky gut' (increased intestinal permeability) is often discussed in sports contexts regarding performance, inflammation, or GI distress. However, the evidence for commercial leaky gut tests (e.g., zonulin, occludin, LPS-binding) is weak. Most markers are not well-validated, show high intra-individual variability, and are influenced by diet, exercise, stress, and time of day. Fecal or serum zonulin does not reliably correlate with actual permeability measured by the gold-standard lactulose/mannitol test. In elite sports, some studies show transient permeability increases after intense exercise, but translating this to at-home test kits is problematic. Without medical supervision and functional diagnostics, results can be misleading. MyBody-X advises caution: these tests should not drive supplement or diet changes alone. Evidence: mostly mechanistic/animal, few robust human trials on the specific markers offered.","area":"gesundheit","canonical_id":"gesundheit:canonical-4d674ab379b6022478768e76","id":"public-1a55b267bcec123418b556ce","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Leaky Gut Test in the context of Sport","score":26.93846568,"snippet":"The concept of 'leaky gut' (increased intestinal permeability) is often discussed in sports contexts regarding performance, inflammation, or GI distress. However, the evidence for commercial leaky gut tests (e.g., zonulin, occludin, LPS-binding) is weak. Most markers are not well-validated, show high intra-individual variability, and are influenced by diet, exercise, stress, and time of day. Fecal or serum zonulin does not reliably correlate with actual permeability measured by the gold-standard lactulose/mannitol test. In elite sports, some studies show transient permeability increases after intense exercise, but translating this to at-home test kits is problematic. Without medical supervis","sources":[],"title":"Evidence check: Leaky Gut Test in the context of Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-1a55b267bcec123418b556ce/evidence-check-leaky-gut-test-in-the-context-of-sport/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}},{"answer":"Stool sample analysis in the context of sports is often marketed as a tool to optimize performance by tailoring the gut microbiome. However, current scientific evidence is mostly mechanistic or derived from animal studies; robust human trials with athletic endpoints are scarce. MyBody-X offers a gut microbiome test, but according to the provided context its evidence level is rated as 'marketing' – it cannot diagnose leaky gut nor provide directly actionable training or nutrition advice. For endurance athletes, a link between microbiome composition and performance is plausible (e.g., influencing inflammation, energy harvest), but individual predictive power is low. A single stool sample captures a snapshot of bacterial composition, heavily influenced by diet, daily variation, and probiotic use. Without repeated measurements and clinical correlates, conclusions about athletic readiness are speculative. Safety note: Stool tests are not a substitute for medical evaluation of gastrointestinal issues. Athletes serious about performance improvement should rely on validated methods such as blood tests (e.g., vitamin D, iron status) and sports medicine guidance. Evidence grade: marketing/unclear.","area":"gesundheit","canonical_id":"gesundheit:canonical-9386c9a3f61b4f209af76e90","id":"public-09a914488de06bafa67f40f7","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Stuhlprobe in the context of Sport","score":24.65857317,"snippet":"Stool sample analysis in the context of sports is often marketed as a tool to optimize performance by tailoring the gut microbiome. However, current scientific evidence is mostly mechanistic or derived from animal studies; robust human trials with athletic endpoints are scarce. MyBody-X offers a gut microbiome test, but according to the provided context its evidence level is rated as 'marketing' – it cannot diagnose leaky gut nor provide directly actionable training or nutrition advice. For endurance athletes, a link between microbiome composition and performance is plausible (e.g., influencing inflammation, energy harvest), but individual predictive power is low. A single stool sample captu","sources":[],"title":"Evidence check: Stuhlprobe in the context of Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-09a914488de06bafa67f40f7/evidence-check-stuhlprobe-in-the-context-of-sport/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}}],"schema_version":"tikki.search-response.v1"}