{"count":2,"index":{"built_at":"2026-07-27T02:23:35.197875+00:00","public_records":55311,"revision":"02b54e1ca0b9d39ac3896db6"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: VDR in the context of Abnehmen"},"results":[{"answer":"The vitamin D receptor (VDR) is often marketed in nutrigenetics as a 'fat-burning gene.' The scientific reality is more sobering: VDR polymorphisms (e.g., FokI, BsmI, TaqI) have been studied in association with BMI, body fat percentage, and weight loss response to calorie-restricted diets. Effect sizes are small, results are inconsistent, and most studies lack adequate statistical power. Mechanistically, VDR is plausible (vitamin D influences adipocyte differentiation, insulin sensitivity, and inflammation), but evidence for clinically relevant, personalized weight loss based on VDR genotype is lacking. Direct-to-consumer DNA tests greatly overstate predictive value. A VDR test alone tells you nothing about your actual weight trajectory – diet, exercise, sleep, and calorie balance dominate. If you consider such a test, treat it as motivational inspiration, not diagnosis. Evidence level: human-moderate (some studies, but heterogeneous and without clear actionable recommendations).","area":"gesundheit","canonical_id":"gesundheit:canonical-027bbd0559ea4e600bd50c14","id":"public-4005f67c430b8b3c2b3ddecc","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: VDR in the context of Abnehmen","score":23.06781914,"snippet":"The vitamin D receptor (VDR) is often marketed in nutrigenetics as a 'fat-burning gene.' The scientific reality is more sobering: VDR polymorphisms (e.g., FokI, BsmI, TaqI) have been studied in association with BMI, body fat percentage, and weight loss response to calorie-restricted diets. Effect sizes are small, results are inconsistent, and most studies lack adequate statistical power. Mechanistically, VDR is plausible (vitamin D influences adipocyte differentiation, insulin sensitivity, and inflammation), but evidence for clinically relevant, personalized weight loss based on VDR genotype is lacking. Direct-to-consumer DNA tests greatly overstate predictive value. A VDR test alone tells y","sources":[],"title":"Evidence check: VDR in the context of Abnehmen","url":"https://tikki.wiki/wissen/gesundheit/frage/public-4005f67c430b8b3c2b3ddecc/evidence-check-vdr-in-the-context-of-abnehmen/","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":"A Fertility Check in the context of weight loss is often marketed as a combo test analyzing genetic markers for both fertility and metabolism. However, the provided knowledge sources contain no specific fertility test; they refer to DNA tests for nutrition (INFINITY DNA-Test) or skin aging. The claimed link between single gene variants (e.g., VDR, APOA5) and fertility is scientifically weak. While weight loss can improve fertility in overweight individuals, a direct genetic fertility check lacks clinically valid guidance. Evidence is mostly from GWAS with small effects, not randomized trials. Consumers should critically evaluate marketing claims: no genetic test replaces medical fertility diagnostics (hormone status, cycle analysis). The combination with weight-loss advice is plausible but unsupported by the cited sources. Safety note: Do not start supplementation or diet based solely on genetic test results; medical supervision is recommended.","area":"gesundheit","canonical_id":"gesundheit:canonical-b9f64bd557568180652ffef0","id":"public-6b9f65f9514b66d4f5277aef","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Fertility Check in the context of Abnehmen","score":21.4654986,"snippet":"A Fertility Check in the context of weight loss is often marketed as a combo test analyzing genetic markers for both fertility and metabolism. However, the provided knowledge sources contain no specific fertility test; they refer to DNA tests for nutrition (INFINITY DNA-Test) or skin aging. The claimed link between single gene variants (e.g., VDR, APOA5) and fertility is scientifically weak. While weight loss can improve fertility in overweight individuals, a direct genetic fertility check lacks clinically valid guidance. Evidence is mostly from GWAS with small effects, not randomized trials. Consumers should critically evaluate marketing claims: no genetic test replaces medical fertility di","sources":[],"title":"Evidence check: Fertility Check in the context of Abnehmen","url":"https://tikki.wiki/wissen/gesundheit/frage/public-6b9f65f9514b66d4f5277aef/evidence-check-fertility-check-in-the-context-of-abnehmen/","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"}