{"count":2,"index":{"built_at":"2026-07-26T21:20:11.659029+00:00","public_records":55311,"revision":"cdf8ff7bb577794eceb61800"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: ACTN3 in the context of Müdigkeit"},"results":[{"answer":"The link between ACTN3 and fatigue is not scientifically established. ACTN3 encodes α-actinin-3, a protein expressed in fast-twitch (type II) muscle fibers. The well-studied R577X polymorphism (rs1815739) results in a complete loss of the protein in X-allele carriers. While robust evidence connects this variant to sprint and power performance, its role in general fatigue or tiredness is minimal. Some studies have examined muscle fatigue after exercise, but effects are small and inconsistent. There is no credible evidence linking ACTN3 to chronic fatigue syndromes or everyday tiredness. Consumer DNA tests that market ACTN3 as a 'fatigue gene' overstate the science. Even if a subtle effect existed, it would be dwarfed by lifestyle factors such as sleep, nutrition, and physical activity. For persistent fatigue, medical evaluation for iron deficiency, thyroid disorders, or sleep apnea is far more relevant. ACTN3 remains a valid marker in sports genetics but has no clinical utility for fatigue assessment.","area":"gesundheit","canonical_id":"gesundheit:canonical-e6e441ecb69d9794d7956350","id":"public-7c8ed2cb29aad4e88e0a2c26","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: ACTN3 in the context of Müdigkeit","score":21.99454223,"snippet":"The link between ACTN3 and fatigue is not scientifically established. ACTN3 encodes α-actinin-3, a protein expressed in fast-twitch (type II) muscle fibers. The well-studied R577X polymorphism (rs1815739) results in a complete loss of the protein in X-allele carriers. While robust evidence connects this variant to sprint and power performance, its role in general fatigue or tiredness is minimal. Some studies have examined muscle fatigue after exercise, but effects are small and inconsistent. There is no credible evidence linking ACTN3 to chronic fatigue syndromes or everyday tiredness. Consumer DNA tests that market ACTN3 as a 'fatigue gene' overstate the science. Even if a subtle effect exi","sources":[],"title":"Evidence check: ACTN3 in the context of Müdigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-7c8ed2cb29aad4e88e0a2c26/evidence-check-actn3-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"}},{"answer":"The INFINITY DNA Test with a 28-day plan and recipe book is marketed for fatigue. The underlying genetic markers (e.g., ACTN3, ACE, PPARGC1A) have only very small effects on performance and energy – typically explaining less than 3% of variance. Fatigue is multifactorial: sleep quality, stress, nutrition, exercise, and medical causes (e.g., iron deficiency, thyroid) dominate. The test does not provide a clinically validated diagnosis for fatigue. The 28-day plan and recipe book are likely generic health recommendations that work independently of genetics. The evidence is weak; individual benefit remains unclear. Beware of exaggerated claims: a DNA test alone cannot explain or resolve fatigue.","area":"gesundheit","canonical_id":"gesundheit:canonical-28f8e31f6c5a92744f62fd1d","id":"public-53104eb11a665bf9a3247a33","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: INFINITY DNA-Test | inkl. 28-Tage-Plan & Rezeptbuch in the context of Müdigkeit","score":20.28158328,"snippet":"The INFINITY DNA Test with a 28-day plan and recipe book is marketed for fatigue. The underlying genetic markers (e.g., ACTN3, ACE, PPARGC1A) have only very small effects on performance and energy – typically explaining less than 3% of variance. Fatigue is multifactorial: sleep quality, stress, nutrition, exercise, and medical causes (e.g., iron deficiency, thyroid) dominate. The test does not provide a clinically validated diagnosis for fatigue. The 28-day plan and recipe book are likely generic health recommendations that work independently of genetics. The evidence is weak; individual benefit remains unclear. Beware of exaggerated claims: a DNA test alone cannot explain or resolve fatigue","sources":[],"title":"Evidence check: INFINITY DNA-Test | inkl. 28-Tage-Plan & Rezeptbuch in the context of Müdigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-53104eb11a665bf9a3247a33/evidence-check-infinity-dna-test-inkl-28-tage-plan-rezeptbuch-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"}