{"count":2,"index":{"built_at":"2026-07-28T04:27:18.191806+00:00","public_records":55311,"revision":"41ce5aa8496d09eec5d6c1e5"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: VKORC1 in the context of fatigue"},"results":[{"answer":"VKORC1 encodes the vitamin K epoxide reductase complex subunit 1, a key enzyme in the vitamin K cycle. It is best known for its role in warfarin sensitivity: certain variants (e.g., rs9923231) significantly affect dosing requirements. However, a direct link between VKORC1 variants and fatigue is not well established in the scientific literature. Indirectly, altered vitamin K metabolism could influence coagulation or bone health, potentially affecting energy levels, but this remains speculative. In nutrigenetics, VKORC1 is discussed mainly in the context of blood clotting and bone density, not fatigue. Therefore, testing VKORC1 alone is not clinically useful for evaluating tiredness. The evidence level is 'mechanistic' or 'unclear'. For persistent fatigue, a comprehensive medical workup (iron, thyroid, sleep, etc.) is recommended rather than genetic testing for this single gene.","area":"gesundheit","canonical_id":"gesundheit:canonical-ebfcbe8425d73eadb2ec8897","id":"public-7938fd23156a1575536c41e9","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: VKORC1 in the context of fatigue","score":24.03446452,"snippet":"VKORC1 encodes the vitamin K epoxide reductase complex subunit 1, a key enzyme in the vitamin K cycle. It is best known for its role in warfarin sensitivity: certain variants (e.g., rs9923231) significantly affect dosing requirements. However, a direct link between VKORC1 variants and fatigue is not well established in the scientific literature. Indirectly, altered vitamin K metabolism could influence coagulation or bone health, potentially affecting energy levels, but this remains speculative. In nutrigenetics, VKORC1 is discussed mainly in the context of blood clotting and bone density, not fatigue. Therefore, testing VKORC1 alone is not clinically useful for evaluating tiredness. The evid","sources":[],"title":"Evidence check: VKORC1 in the context of fatigue","url":"https://tikki.wiki/wissen/gesundheit/frage/public-7938fd23156a1575536c41e9/evidence-check-vkorc1-in-the-context-of-fatigue/","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":"The link between VKORC1 and fatigue lacks robust scientific evidence. VKORC1 encodes vitamin K epoxide reductase, a key enzyme in vitamin K metabolism. Genetic variants (e.g., rs9923231) are well-known for influencing warfarin dosing, but a direct effect on fatigue without anticoagulation is speculative. In theory, altered vitamin K activity could affect coagulation or bone health, but fatigue is a nonspecific, multifactorial symptom. The provided context contains no validated studies linking VKORC1 to fatigue. Therefore, the evidence is rated as unclear. VKORC1 testing is primarily relevant for pharmacogenetics (warfarin), not for general tiredness. Persistent fatigue should be evaluated clinically for common causes like iron deficiency, thyroid dysfunction, or sleep disorders.","area":"gesundheit","canonical_id":"gesundheit:canonical-454c07cd436e33e8f4a68a56","id":"public-5ec69a045e286831f94fce3d","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: VKORC1 in the context of Müdigkeit","score":23.99953533,"snippet":"The link between VKORC1 and fatigue lacks robust scientific evidence. VKORC1 encodes vitamin K epoxide reductase, a key enzyme in vitamin K metabolism. Genetic variants (e.g., rs9923231) are well-known for influencing warfarin dosing, but a direct effect on fatigue without anticoagulation is speculative. In theory, altered vitamin K activity could affect coagulation or bone health, but fatigue is a nonspecific, multifactorial symptom. The provided context contains no validated studies linking VKORC1 to fatigue. Therefore, the evidence is rated as unclear. VKORC1 testing is primarily relevant for pharmacogenetics (warfarin), not for general tiredness. Persistent fatigue should be evaluated cl","sources":[],"title":"Evidence check: VKORC1 in the context of Müdigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-5ec69a045e286831f94fce3d/evidence-check-vkorc1-in-the-context-of-muedigkeit/","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"}