{"count":3,"index":{"built_at":"2026-07-27T16:37:17.943683+00:00","public_records":55311,"revision":"4d583ee400e1200c2937dbe3"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Myths vs Facts: Magnesium und Sport"},"results":[{"answer":"Magnesium wird im Sportkontext oft als Wundermittel gegen Muskelkrämpfe und zur Leistungssteigerung beworben. Die wissenschaftliche Evidenz ist jedoch differenzierter. Tatsächlich ist Magnesium ein essenzieller Mineralstoff für Muskelkontraktion, Nervenleitung und Energiebereitstellung. Ein Mangel kann Muskelkrämpfe begünstigen, aber bei gesunden Sportlern ohne Defizit bringt eine Supplementierung meist keinen messbaren Vorteil. Studien zeigen widersprüchliche Ergebnisse: Während einige eine leichte Reduktion von Krämpfen bei älteren oder defizitären Personen fanden, fehlen Belege für eine Leistungssteigerung bei ausreichend versorgten Athleten. Die Annahme, dass jeder Sportler Magnesium braucht, ist ein Mythos. Ein Bluttest (z. B. Serum-Magnesium) ist wenig aussagekräftig, da der Körper den Spiegel eng reguliert. Sinnvoller ist eine ausgewogene Ernährung mit magnesiumreichen Lebensmitteln (Nüsse, Vollkorn, grünes Blattgemüse). Nur bei nachgewiesenem Mangel oder bestimmten Risikogruppen (z. B. starkes Schwitzen, bestimmte Medikamente) kann eine Supplementierung erwogen werden. Die Evidenzlage ist insgesamt gemischt: Es gibt mechanistische und beobachtende Studien, aber keine starken randomisierten kontrollierten Studien, die generelle Empfehlungen stützen. Vorsicht vor überhöhten Dosen, da Magnesium in hohen Mengen Durchfall und Herzrhythmusstörungen auslösen kann.","area":"gesundheit","canonical_id":"gesundheit:canonical-506e837227ca08004abf7c98","id":"public-a64e360c7c0f2b4fc17239d5","kind":"qa","language":"de","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Myths vs Facts: Magnesium und Sport","score":29.42256128,"snippet":"Magnesium wird im Sportkontext oft als Wundermittel gegen Muskelkrämpfe und zur Leistungssteigerung beworben. Die wissenschaftliche Evidenz ist jedoch differenzierter. Tatsächlich ist Magnesium ein essenzieller Mineralstoff für Muskelkontraktion, Nervenleitung und Energiebereitstellung. Ein Mangel kann Muskelkrämpfe begünstigen, aber bei gesunden Sportlern ohne Defizit bringt eine Supplementierung meist keinen messbaren Vorteil. Studien zeigen widersprüchliche Ergebnisse: Während einige eine leichte Reduktion von Krämpfen bei älteren oder defizitären Personen fanden, fehlen Belege für eine Leistungssteigerung bei ausreichend versorgten Athleten. Die Annahme, dass jeder Sportler Magnesium bra","sources":[],"title":"Myths vs Facts: Magnesium und Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-a64e360c7c0f2b4fc17239d5/myths-vs-facts-magnesium-und-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":"Magnesium is frequently marketed as a cure for muscle cramps and a performance enhancer in sports. The evidence tells a more nuanced story. Magnesium is indeed critical for muscle contraction, nerve function, and energy metabolism. Deficiency can contribute to cramps, but in well-nourished athletes, supplementation rarely provides measurable benefits. Randomized controlled trials show that magnesium supplementation does not consistently prevent exercise-associated cramps or improve strength or endurance in individuals with normal magnesium status. Any performance gain is limited to those with confirmed deficiency, which is uncommon among athletes without specific risk factors (e.g., heavy sweating, low dietary intake, certain medications). Furthermore, high-dose magnesium can cause gastrointestinal side effects like diarrhea. Genetic variants in magnesium transporters (e.g., TRPM6) are not covered in the provided context and lack validated clinical utility for sports. The bottom line: magnesium is essential but not a sports miracle. A balanced diet typically meets needs; supplementation is only indicated when deficiency is diagnosed. Evidence: mostly mechanistic and observational; large-scale RCTs are lacking.","area":"gesundheit","canonical_id":"gesundheit:canonical-b7d75e9fc5a4926d5f3b0d4a","id":"public-1df26717e6317f5f5638bf2d","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Myths vs facts: Magnesium and Sport","score":29.33455791,"snippet":"Magnesium is frequently marketed as a cure for muscle cramps and a performance enhancer in sports. The evidence tells a more nuanced story. Magnesium is indeed critical for muscle contraction, nerve function, and energy metabolism. Deficiency can contribute to cramps, but in well-nourished athletes, supplementation rarely provides measurable benefits. Randomized controlled trials show that magnesium supplementation does not consistently prevent exercise-associated cramps or improve strength or endurance in individuals with normal magnesium status. Any performance gain is limited to those with confirmed deficiency, which is uncommon among athletes without specific risk factors (e.g., heavy sw","sources":[],"title":"Myths vs facts: Magnesium and Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-1df26717e6317f5f5638bf2d/myths-vs-facts-magnesium-and-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":"Myth: Your CYP1A2 genotype alone determines whether caffeine is effective or dangerous for sport. Fact: The rs762551 variant (AA = fast, CC = slow metabolizer) affects caffeine clearance, but individual response depends on training, tolerance, other genes (e.g., ADORA2A), and dosage. Fast metabolizers (AA) clear caffeine faster but still risk side effects (anxiety, insomnia, elevated heart rate) at high doses (>6 mg/kg). Slow metabolizers (CC) may benefit from lower doses (2–3 mg/kg) and should avoid excessive intake. Human evidence strongly supports the metabolic difference, but sports performance outcomes are highly individual. Marketing often overstates the predictive power of single SNPs. Safety note: Caffeine can interact with magnesium; ensure adequate intake when using high doses.","area":"gesundheit","canonical_id":"gesundheit:canonical-1832432b078184bf29b06235","id":"public-b4a9844c5bdc323915577d1e","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Myths vs facts: CYP1A2 and Sport","score":27.48366639,"snippet":"Myth: Your CYP1A2 genotype alone determines whether caffeine is effective or dangerous for sport. Fact: The rs762551 variant (AA = fast, CC = slow metabolizer) affects caffeine clearance, but individual response depends on training, tolerance, other genes (e.g., ADORA2A), and dosage. Fast metabolizers (AA) clear caffeine faster but still risk side effects (anxiety, insomnia, elevated heart rate) at high doses (>6 mg/kg). Slow metabolizers (CC) may benefit from lower doses (2–3 mg/kg) and should avoid excessive intake. Human evidence strongly supports the metabolic difference, but sports performance outcomes are highly individual. Marketing often overstates the predictive power of single SNPs","sources":[],"title":"Myths vs facts: CYP1A2 and Sport","url":"https://tikki.wiki/wissen/gesundheit/frage/public-b4a9844c5bdc323915577d1e/myths-vs-facts-cyp1a2-and-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"}}],"schema_version":"tikki.search-response.v1"}