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{"id":323,"date":"2006-06-05T13:50:15","date_gmt":"2006-06-05T11:50:15","guid":{"rendered":"https:\/\/zdrave-hubnuti.cz\/centrum-pece-o-cloveka\/na-co-se-nejcasteji-ptate\/encyklopedie\/kreatin\/"},"modified":"2006-06-05T13:50:15","modified_gmt":"2006-06-05T11:50:15","slug":"kreatin","status":"publish","type":"page","link":"http:\/\/zdrave-hubnuti.cz\/centrum-pece-o-cloveka\/na-co-se-nejcasteji-ptate\/kreatin\/","title":{"rendered":"Kreatin"},"content":{"rendered":"
Kreatin<\/strong> – Kreatin je pom\u011brn\u011b jednoduch\u00e1 chemick\u00e1 slou\u010denina. Vyskytuje se v na\u0161em t\u011ble p\u0159irozen\u011b jako rychl\u00fd a efektivn\u00ed zdroj energie pro svalovou tk\u00e1\u0148. V\u011bt\u0161inu pot\u0159ebn\u00e9ho mno\u017estv\u00ed kreatinu si dok\u00e1\u017eeme vytvo\u0159it ve sv\u00e9m t\u011ble sami. Posta\u010d\u00ed n\u00e1m k tomu p\u00e1r b\u011b\u017en\u00fdch aminokyselin. Pokud p\u0159\u00edjmem kreatin v potrav\u011b u\u0161et\u0159\u00edme si v\u0161ak krok nav\u00edc. Kreatin vznik\u00e1 p\u0159edev\u0161\u00edm v j\u00e1trech a v ledvin\u00e1ch. Z m\u00edsta vzniku je transportov\u00e1n krv\u00ed na m\u00edsta, kde je ho jako zdroje energie nejv\u00edce t\u0159eba ? do sval\u016f, srdce a mozku. Jako rychl\u00fd zdroj energie je kreatin v\u00fdhodn\u00fd zejm\u00e9na pro rychlostn\u00ed sporty. Pro vytrvalostn\u00ed sporty nem\u00e1 u\u017e\u00edv\u00e1n\u00ed zv\u00fd\u0161en\u00fdch d\u00e1vek kreatinu prakticky v\u00fdznam. Krom\u011b vlivu na v\u00fdkonnost svalov\u00e9 tk\u00e1n\u011b bylo prok\u00e1z\u00e1no tak\u00e9 p\u0159\u00edzniv\u00e9 p\u016fsoben\u00ed kreatinu na hladinu krevn\u00edho cholesterolu. Kreatin sni\u017euje hladinu celkov\u00e9ho cholesterolu a hladiny neutr\u00e1ln\u00edch tuk\u016f. Mimo to zvy\u0161uje hladinu ?dobr\u00e9ho? cholesterolu (tzv. HDL cholesterolu. Br\u00e1n\u00ed tak vzniku v\u00e1\u017en\u00fdch srde\u010dn\u011b-c\u00e9vn\u00edch onemocn\u011bn\u00ed. V na\u0161em t\u011ble je naprost\u00e1 v\u011bt\u0161ina z celkov\u00e9ho mno\u017estv\u00ed kreatinu obsa\u017eena v kostern\u00edm svalstvu. O zb\u00fdvaj\u00edc\u00ed \u010d\u00e1st se pak d\u011bl\u00ed srdce a mozkov\u00e1 tk\u00e1\u0148. Celkov\u00e9 mno\u017estv\u00ed kreatinu v na\u0161em t\u011ble je asi 100 gram\u016f. Nejd\u016fle\u017eit\u011bj\u0161\u00edm potravn\u00edm zdrojem kreatinu je maso. Velk\u00e9 pom\u011brn\u00e9 mno\u017estv\u00ed obsahuje maso ryb a pt\u00e1k\u016f. P\u016fl kilogramu masa obsahuje asi 2 gramy kreatinu. Denn\u00ed pot\u0159eba kreatinu se u dosp\u011bl\u00e9ho \u010dlov\u011bka pohybuje kolem 2 gram\u016f. V\u00fdhodou v p\u0159\u00edpad\u011b kreatinu je, \u017ee na rozd\u00edl od vitam\u00edn\u016f si jej dok\u00e1\u017eeme vytvo\u0159it v na\u0161em t\u011ble zcela sami. Zv\u00fd\u0161en\u00fd p\u0159\u00edjem v podob\u011b potravn\u00edch dopl\u0148k\u016f je jak\u00fdmsi nadstandardem, kter\u00fd n\u00e1m pom\u016f\u017ee zlep\u0161it kr\u00e1tkodobou fyzickou v\u00fdkonnost.<\/p>\n","protected":false},"excerpt":{"rendered":"