{"count":5,"index":{"built_at":"2026-07-28T02:10:47.963845+00:00","public_records":55311,"revision":"b4e5bed1af9e4c3ba654d338"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: VDR in the context of longevity"},"results":[{"answer":"A vitamin D level of 18 ng/mL indicates insufficiency (optimal: 30–50 ng/mL). Supplementation is often warranted, but stay below 4,000 IU/day without medical supervision. Vitamin D acts through the VDR (vitamin D receptor). Genetic variants in the VDR gene (e.g., rs2228570, rs1544410) can modestly affect receptor function, but they rarely explain such a low level. The main causes are usually inadequate sun exposure or diet. In the context of longevity, observational studies link adequate vitamin D status to lower all-cause mortality, but the evidence is not causal. DNA tests can detect VDR variants, but they cannot replace blood testing. Supplement decisions should be guided by blood levels, not genetics. Caveat: marketing often overstates the impact of single VDR SNPs on lifespan.","area":"gesundheit","canonical_id":"gesundheit:canonical-10578f50809d8d2cc8f633cc","id":"public-31e21c464b8e77258f02838b","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: VDR in the context of longevity","score":21.89049626,"snippet":"A vitamin D level of 18 ng/mL indicates insufficiency (optimal: 30–50 ng/mL). Supplementation is often warranted, but stay below 4,000 IU/day without medical supervision. Vitamin D acts through the VDR (vitamin D receptor). Genetic variants in the VDR gene (e.g., rs2228570, rs1544410) can modestly affect receptor function, but they rarely explain such a low level. The main causes are usually inadequate sun exposure or diet. In the context of longevity, observational studies link adequate vitamin D status to lower all-cause mortality, but the evidence is not causal. DNA tests can detect VDR variants, but they cannot replace blood testing. Supplement decisions should be guided by blood levels,","sources":[],"title":"Evidence check: VDR in the context of longevity","url":"https://tikki.wiki/wissen/gesundheit/frage/public-31e21c464b8e77258f02838b/evidence-check-vdr-in-the-context-of-longevity/","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 vitamin D receptor (VDR) is often discussed in the context of longevity because vitamin D influences many age-related processes (immune function, bone metabolism, cell division). The rs2228570 (FokI) variant in the VDR gene slightly alters receptor function. About 38% of Europeans carry the A allele. However, the effect on cellular vitamin D response is small; blood vitamin D levels are far more dependent on sun exposure and diet than on genetics. There is no robust evidence from randomized trials directly linking VDR variants to extended lifespan. Observational studies show associations between low vitamin D levels and increased mortality, but causality is not proven. Genotype-based supplementation is not currently recommended. Caution is warranted: high-dose vitamin D without medical need can be toxic. In summary, the evidence for VDR and longevity is weak to moderate – mainly from GWAS and mechanistic studies. Lifestyle factors (exercise, diet, sunlight) have a much greater impact on healthy lifespan.","area":"gesundheit","canonical_id":"gesundheit:canonical-29a99bfa500812af32f53161","id":"public-81de1f1cd929435c0570ad42","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: VDR in the context of Langlebigkeit","score":21.16472692,"snippet":"The vitamin D receptor (VDR) is often discussed in the context of longevity because vitamin D influences many age-related processes (immune function, bone metabolism, cell division). The rs2228570 (FokI) variant in the VDR gene slightly alters receptor function. About 38% of Europeans carry the A allele. However, the effect on cellular vitamin D response is small; blood vitamin D levels are far more dependent on sun exposure and diet than on genetics. There is no robust evidence from randomized trials directly linking VDR variants to extended lifespan. Observational studies show associations between low vitamin D levels and increased mortality, but causality is not proven. Genotype-based sup","sources":[],"title":"Evidence check: VDR in the context of Langlebigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-81de1f1cd929435c0570ad42/evidence-check-vdr-in-the-context-of-langlebigkeit/","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 evidence for a vitamin D test in the context of longevity is weak. While vitamin D is essential for bone health, immune function, and possibly inflammation modulation, a direct causal link between vitamin D testing (either blood levels or genetic variants) and extended lifespan is not supported by robust human studies. The provided context only mentions the VDR FokI polymorphism (rs2228570), whose connection to insulin resistance is rated as 'unclear'. Large RCTs (e.g., VITAL) show no significant reduction in all-cause mortality from vitamin D supplementation in healthy adults. Genetic testing for VDR variants does not provide clinically actionable information for longevity. Therefore, the evidence grade is 'unclear'. Practical advice: If deficiency is suspected, measure serum 25(OH)D and supplement according to guidelines, not based on DNA tests. Excessive vitamin D intake can be toxic (hypercalcemia).","area":"gesundheit","canonical_id":"gesundheit:canonical-fc454e0afa43a0a00fe61957","id":"public-8e8418a354769c5692d7c966","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Vitamin D Test in the context of Langlebigkeit","score":20.50973321,"snippet":"The evidence for a vitamin D test in the context of longevity is weak. While vitamin D is essential for bone health, immune function, and possibly inflammation modulation, a direct causal link between vitamin D testing (either blood levels or genetic variants) and extended lifespan is not supported by robust human studies. The provided context only mentions the VDR FokI polymorphism (rs2228570), whose connection to insulin resistance is rated as 'unclear'. Large RCTs (e.g., VITAL) show no significant reduction in all-cause mortality from vitamin D supplementation in healthy adults. Genetic testing for VDR variants does not provide clinically actionable information for longevity. Therefore, t","sources":[],"title":"Evidence check: Vitamin D Test in the context of Langlebigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-8e8418a354769c5692d7c966/evidence-check-vitamin-d-test-in-the-context-of-langlebigkeit/","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 question of whether a longevity DNA test is useful during menopause is scientifically challenging. Menopause is a complex physiological transition driven by hormonal decline (especially estrogen). Some genetic variants – e.g., in ESR1 (estrogen receptor), VDR (vitamin D receptor), or CYP19A1 (aromatase) – have been associated with age at menopause, bone density, or vasomotor symptoms. However, effect sizes are small, and the predictive value for individual lifespan or 'healthy aging' is low. The provided context repeatedly states that direct-to-consumer (DTC) nutrigenetic tests like MyBody-X are clinically unvalidated and often overpromise. For menopause, no validated genetic test battery exists that reliably predicts longevity. Lifestyle factors (diet, exercise, stress management) and clinical biomarkers (blood pressure, lipids, bone density) are far more important. A DTC test may serve as a conversation starter with a healthcare provider, but not as a basis for clinical decisions. Evidence: mixed – mechanistic studies exist, but no robust clinical prediction models.","area":"gesundheit","canonical_id":"gesundheit:canonical-b08a22f65e8a4d3b998dcfdc","id":"public-57683bae34614a8a99df4009","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Longevity DNA Test in the context of menopause","score":20.12454536,"snippet":"The question of whether a longevity DNA test is useful during menopause is scientifically challenging. Menopause is a complex physiological transition driven by hormonal decline (especially estrogen). Some genetic variants – e.g., in ESR1 (estrogen receptor), VDR (vitamin D receptor), or CYP19A1 (aromatase) – have been associated with age at menopause, bone density, or vasomotor symptoms. However, effect sizes are small, and the predictive value for individual lifespan or 'healthy aging' is low. The provided context repeatedly states that direct-to-consumer (DTC) nutrigenetic tests like MyBody-X are clinically unvalidated and often overpromise. For menopause, no validated genetic test batter","sources":[],"title":"Evidence check: Longevity DNA Test in the context of menopause","url":"https://tikki.wiki/wissen/gesundheit/frage/public-57683bae34614a8a99df4009/evidence-check-longevity-dna-test-in-the-context-of-menopause/","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 Menopause Check from MyBody-X analyzes hormones such as estradiol, progesterone, and FSH, and may include genetic markers (e.g., VDR rs731236). For longevity, many more factors matter: lifestyle, diet, exercise, stress management, and social connections. Hormonal shifts during menopause can increase risks for cardiovascular disease and bone loss – the test can provide useful clues here. However, evidence for direct 'longevity genes' (like FOXO3) in the context of menopause is weak and mostly based on GWAS associations. Be careful not to overinterpret results: a single SNP or hormone level says little about your individual life expectancy. It is more sensible to use the data as part of a holistic strategy, in consultation with a doctor or nutritionist. Beware of marketing claims that derive an 'anti-aging guarantee' from a hormone or genetic test.","area":"gesundheit","canonical_id":"gesundheit:canonical-c2ce23a5504b95ee8e8eeea6","id":"public-7968dbfc58c3a6ca4a4328fa","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"What to watch with Menopause Check and longevity?","score":19.38316609,"snippet":"The Menopause Check from MyBody-X analyzes hormones such as estradiol, progesterone, and FSH, and may include genetic markers (e.g., VDR rs731236). For longevity, many more factors matter: lifestyle, diet, exercise, stress management, and social connections. Hormonal shifts during menopause can increase risks for cardiovascular disease and bone loss – the test can provide useful clues here. However, evidence for direct 'longevity genes' (like FOXO3) in the context of menopause is weak and mostly based on GWAS associations. Be careful not to overinterpret results: a single SNP or hormone level says little about your individual life expectancy. It is more sensible to use the data as part of a ","sources":[],"title":"What to watch with Menopause Check and longevity?","url":"https://tikki.wiki/wissen/gesundheit/frage/public-7968dbfc58c3a6ca4a4328fa/what-to-watch-with-menopause-check-and-longevity/","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"}