{"count":7,"index":{"built_at":"2026-07-27T01:41:25.938080+00:00","public_records":55311,"revision":"6cff13a9d0a869663d2d8c7d"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: FTO in the context of Sport"},"results":[{"answer":"FTO (fat mass and obesity-associated) gene variants, particularly rs9939609, are among the most robustly replicated genetic markers for body mass index and obesity risk in large GWAS. In the context of sport, the relevance is indirect: higher BMI or adiposity can affect performance in weight-dependent sports (e.g., endurance running, gymnastics) and may influence recovery and injury risk. Some studies have examined whether FTO genotype modifies the effect of exercise on weight loss or body composition changes, with mixed results. A meta-analysis found that physical activity can attenuate the genetic risk of obesity from FTO, but the interaction is small. For elite athletes, FTO is not a strong predictor of performance; other genes (e.g., ACTN3, PPARGC1A) have more direct links. Consumer DNA tests often include FTO in their reports, but the practical utility for sport nutrition or training is limited. The effect sizes are small, and lifestyle factors (diet, training volume, sleep) dominate. Therefore, while FTO provides some insight into genetic predisposition for body weight, it should not be overinterpreted for sport optimization. Evidence level: GWAS-based, with some human intervention studies showing modest interaction. Caveat: not diagnostic or prescriptive for athletic performance.","area":"gesundheit","canonical_id":"gesundheit:canonical-ad378c6e4c6480746714fdd8","id":"public-36c251ff9da9d6199bb404f4","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: FTO in the context of Sport","score":20.37789685,"snippet":"FTO (fat mass and obesity-associated) gene variants, particularly rs9939609, are among the most robustly replicated genetic markers for body mass index and obesity risk in large GWAS. In the context of sport, the relevance is indirect: higher BMI or adiposity can affect performance in weight-dependent sports (e.g., endurance running, gymnastics) and may influence recovery and injury risk. Some studies have examined whether FTO genotype modifies the effect of exercise on weight loss or body composition changes, with mixed results. A meta-analysis found that physical activity can attenuate the genetic risk of obesity from FTO, but the interaction is small. For elite athletes, FTO is not a stro","sources":[],"title":"Evidence check: FTO in the context of Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-36c251ff9da9d6199bb404f4/evidence-check-fto-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":"The question about glucose in the context of sport is relevant because glucose is a primary fuel during exercise. However, the provided contexts contain no direct studies or data linking glucose to sport performance. There are references to genes like FTO and MC4R that influence energy balance, but these relate to obesity risk, not specifically to glucose utilization during training. The evidence for personalized glucose optimization via genetic testing is weak. Practically, blood sugar management, carbohydrate timing, and individual tolerance are important. A continuous glucose monitor (CGM) can help understand personal responses to different foods, but genetic prediction remains limited. Safety note: Individuals with metabolic conditions like diabetes should seek medical advice.","area":"gesundheit","canonical_id":"gesundheit:canonical-d25a485b84ce33ae6398e69a","id":"public-1eca57f17585a93a6869e6b4","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Glukose in the context of Sport","score":19.33773172,"snippet":"The question about glucose in the context of sport is relevant because glucose is a primary fuel during exercise. However, the provided contexts contain no direct studies or data linking glucose to sport performance. There are references to genes like FTO and MC4R that influence energy balance, but these relate to obesity risk, not specifically to glucose utilization during training. The evidence for personalized glucose optimization via genetic testing is weak. Practically, blood sugar management, carbohydrate timing, and individual tolerance are important. A continuous glucose monitor (CGM) can help understand personal responses to different foods, but genetic prediction remains limited. S","sources":[],"title":"Evidence check: Glukose in the context of Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-1eca57f17585a93a6869e6b4/evidence-check-glukose-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":"The DNA metabolism test in a sports context analyzes gene variants related to energy metabolism, fat oxidation, and recovery (e.g., PPARGC1A, FTO, ACTN3). Evidence for performance optimization is moderate: human observational studies and GWAS show small effect sizes, but no RCTs demonstrate that DNA-based dietary changes significantly improve athletic performance. The effects are often small and heavily modified by training, diet, and lifestyle. The test can serve as a general guide but is not a substitute for professional sports nutrition. Be cautious of marketing claims: predictive power is limited, and many variants have population-specific effects. For serious athletes, individualized nutrition counseling with blood biomarkers and performance diagnostics currently has stronger evidence.","area":"gesundheit","canonical_id":"gesundheit:canonical-63f157a1250270a6701b52b1","id":"public-f5a4dc5000779cda60b3641a","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: DNA Stoffwechseltest in the context of Sport","score":19.28792238,"snippet":"The DNA metabolism test in a sports context analyzes gene variants related to energy metabolism, fat oxidation, and recovery (e.g., PPARGC1A, FTO, ACTN3). Evidence for performance optimization is moderate: human observational studies and GWAS show small effect sizes, but no RCTs demonstrate that DNA-based dietary changes significantly improve athletic performance. The effects are often small and heavily modified by training, diet, and lifestyle. The test can serve as a general guide but is not a substitute for professional sports nutrition. Be cautious of marketing claims: predictive power is limited, and many variants have population-specific effects. For serious athletes, individualized nu","sources":[],"title":"Evidence check: DNA Stoffwechseltest in the context of Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-f5a4dc5000779cda60b3641a/evidence-check-dna-stoffwechseltest-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":"The 'SLIM DNA-Test' for weight loss and sport is not mentioned in the provided knowledge context, so I cannot evaluate this specific product. In general, the evidence for direct-to-consumer DNA tests in weight management and athletic performance is weak. While some genetic variants (e.g., in FTO, PPARG, ADRB2) show small associations with obesity or metabolism, lifestyle factors dominate. Most commercial tests overstate the clinical utility of single SNPs. Without integration into a validated, personalized diet and exercise plan under professional guidance, the benefit is questionable. Randomized controlled trials demonstrating superiority over standard advice are lacking. Therefore, treat such results as exploratory, not prescriptive.","area":"gesundheit","canonical_id":"gesundheit:canonical-c9bf38c23ce522d74aafe90b","id":"public-6c45a739a7fe494f85386e1f","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: WeightLoss | SLIM DNA-Test in the context of Sport","score":19.26327864,"snippet":"The 'SLIM DNA-Test' for weight loss and sport is not mentioned in the provided knowledge context, so I cannot evaluate this specific product. In general, the evidence for direct-to-consumer DNA tests in weight management and athletic performance is weak. While some genetic variants (e.g., in FTO, PPARG, ADRB2) show small associations with obesity or metabolism, lifestyle factors dominate. Most commercial tests overstate the clinical utility of single SNPs. Without integration into a validated, personalized diet and exercise plan under professional guidance, the benefit is questionable. Randomized controlled trials demonstrating superiority over standard advice are lacking. Therefore, treat s","sources":[],"title":"Evidence check: WeightLoss | SLIM DNA-Test in the context of Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-6c45a739a7fe494f85386e1f/evidence-check-weightloss-slim-dna-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":"Claims that a 'WeightLoss Slim DNA' test can optimize sport performance or weight loss are weakly supported by evidence. Most associated gene variants (e.g., FTO, MC4R, PPARG) show small effect sizes in GWAS, explaining <2% of weight variation. No RCTs demonstrate that acting on these SNPs improves outcomes beyond standard lifestyle advice. In sports, genes like ACTN3 or ACE have minor influences on performance, but translating them into actionable slim-diet or training plans is speculative. Evidence grade: GWAS/mechanistic, not clinical. Consumers should view such tests as novelty insights, not medical guidance. Safety note: Do not take high-dose supplements or extreme diets based solely on DNA results.","area":"gesundheit","canonical_id":"gesundheit:canonical-3ab813efcd1d30d041b853e4","id":"public-b40bcddd4778330c953bce51","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: WeightLoss Slim DNA in the context of Sport","score":19.24187326,"snippet":"Claims that a 'WeightLoss Slim DNA' test can optimize sport performance or weight loss are weakly supported by evidence. Most associated gene variants (e.g., FTO, MC4R, PPARG) show small effect sizes in GWAS, explaining <2% of weight variation. No RCTs demonstrate that acting on these SNPs improves outcomes beyond standard lifestyle advice. In sports, genes like ACTN3 or ACE have minor influences on performance, but translating them into actionable slim-diet or training plans is speculative. Evidence grade: GWAS/mechanistic, not clinical. Consumers should view such tests as novelty insights, not medical guidance. Safety note: Do not take high-dose supplements or extreme diets based solely on","sources":[],"title":"Evidence check: WeightLoss Slim DNA in the context of Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-b40bcddd4778330c953bce51/evidence-check-weightloss-slim-dna-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":"The question of how much DNA tests can tell about fitness and sport performance is valid. MyBody-X tests (e.g., Fitness VITALITY) analyze variants in genes like PPARA (fat oxidation), FTO (weight management), APOE (heart health), and LCT (lactose tolerance). These can offer weak hints about metabolism and recovery, but they do not directly predict sprint/endurance ability or injury risk. The ACTN3 gene, often linked to sprinting, is not included. Evidence is mixed: some markers have human observational/GWAS support, but many claims are marketing-driven. Effect sizes are small, and training decisions should not rely solely on DNA results. The test may inspire lifestyle tweaks but cannot replace professional coaching or medical advice. For youth athletes or injury prevention, clinical assessments and training logs are far more relevant. In summary, current direct-to-consumer genetic tests for sport are not robust enough for personalized performance prediction.","area":"gesundheit","canonical_id":"gesundheit:canonical-caee9def6c81912be73e7b32","id":"public-ec54443712aed34ae3d91f12","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Fitness | LifestyleCheck in the context of Sport","score":18.99966205,"snippet":"The question of how much DNA tests can tell about fitness and sport performance is valid. MyBody-X tests (e.g., Fitness VITALITY) analyze variants in genes like PPARA (fat oxidation), FTO (weight management), APOE (heart health), and LCT (lactose tolerance). These can offer weak hints about metabolism and recovery, but they do not directly predict sprint/endurance ability or injury risk. The ACTN3 gene, often linked to sprinting, is not included. Evidence is mixed: some markers have human observational/GWAS support, but many claims are marketing-driven. Effect sizes are small, and training decisions should not rely solely on DNA results. The test may inspire lifestyle tweaks but cannot repla","sources":[],"title":"Evidence check: Fitness | LifestyleCheck in the context of Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-ec54443712aed34ae3d91f12/evidence-check-fitness-lifestylecheck-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":"The provided context contains no direct evidence linking the FADS1 gene to sleep. FADS1 encodes a delta-5 desaturase involved in omega-3 and omega-6 fatty acid metabolism. While a theoretical connection via inflammation or lipid signaling could influence sleep quality, robust human studies are lacking. The knowledge snippets cover other genes (ACTN3, MTHFR, FTO, ACE) and topics like sports genetics, blood draw protocols, or statin side effects – none address FADS1 or sleep. Consumer DNA tests like MyBody-X may include FADS1 SNPs, but effect sizes on complex traits such as sleep are very small and not actionable. Evidence: unclear, as no specific studies or guidelines are cited. Prioritizing sleep hygiene, stress reduction, and medical evaluation for sleep disorders is more evidence-based than genetic testing. Without strong data, dietary or supplement changes based solely on FADS1 results are not recommended.","area":"gesundheit","canonical_id":"gesundheit:canonical-0965ce4b101def1980ec71a9","id":"public-d4ef57c88dbc3a8962a3f380","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: FADS1 in the context of Schlaf","score":17.80410613,"snippet":"The provided context contains no direct evidence linking the FADS1 gene to sleep. FADS1 encodes a delta-5 desaturase involved in omega-3 and omega-6 fatty acid metabolism. While a theoretical connection via inflammation or lipid signaling could influence sleep quality, robust human studies are lacking. The knowledge snippets cover other genes (ACTN3, MTHFR, FTO, ACE) and topics like sports genetics, blood draw protocols, or statin side effects – none address FADS1 or sleep. Consumer DNA tests like MyBody-X may include FADS1 SNPs, but effect sizes on complex traits such as sleep are very small and not actionable. Evidence: unclear, as no specific studies or guidelines are cited. Prioritizing ","sources":[],"title":"Evidence check: FADS1 in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-d4ef57c88dbc3a8962a3f380/evidence-check-fads1-in-the-context-of-schlaf/","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"}