{"id":7619,"date":"2023-08-02T09:32:07","date_gmt":"2023-08-02T09:32:07","guid":{"rendered":"https:\/\/blog.rehairsystem.com\/?p=7619"},"modified":"2023-08-25T09:55:37","modified_gmt":"2023-08-25T09:55:37","slug":"zpusobuje-kreatin-vypadani-vlasu-nebo-mytus","status":"publish","type":"post","link":"https:\/\/blog.rehairsystem.com\/cs\/does-creatine-cause-hair-loss-or-a-myth\/","title":{"rendered":"Zp\u016fsobuje kreatin vypad\u00e1v\u00e1n\u00ed vlas\u016f nebo je to m\u00fdtus?"},"content":{"rendered":"
Uprost\u0159ed mnoha v\u00fdhod spojen\u00fdch s kreatinem p\u0159etrv\u00e1v\u00e1 obava: zp\u016fsobuje kreatin vypad\u00e1v\u00e1n\u00ed vlas\u016f? Tato ot\u00e1zka vyvolala debaty a zvedla obo\u010d\u00ed mezi fitness nad\u0161enci a jednotlivci zva\u017euj\u00edc\u00edmi suplementaci kreatinem. Budeme tedy analyzovat t\u00e9ma a prozkoum\u00e1me, zda je na tvrzen\u00ed n\u011bco pravdy, nebo jde pouze o m\u00fdtus.<\/span><\/p>\n Kreatin je p\u0159irozen\u011b se vyskytuj\u00edc\u00ed l\u00e1tka, kterou vytv\u00e1\u0159\u00ed na\u0161e t\u011blo a kter\u00e1 se nach\u00e1z\u00ed ve stopov\u00fdch mno\u017estv\u00edch v \u017eivo\u010di\u0161n\u00fdch b\u00edlkovin\u00e1ch, jako jsou ty, kter\u00e9 se nach\u00e1zej\u00ed v mase a ryb\u00e1ch. Je spot\u0159ebov\u00e1n, vst\u0159eb\u00e1n do krevn\u00edho ob\u011bhu a n\u00e1sledn\u011b absorbov\u00e1n svaly. P\u0159i intenzivn\u00ed fyzick\u00e9 aktivit\u011b se ukl\u00e1d\u00e1 v bu\u0148k\u00e1ch kostern\u00edho svalstva jako fosfokreatin.<\/span><\/p>\n Bylo provedeno mnoho studi\u00ed o \u00fa\u010dinc\u00edch suplementace kreatinem na n\u00e1r\u016fst svalov\u00e9 hmoty, s\u00edly a s\u00edly. Je nej\u00fa\u010dinn\u011bj\u0161\u00ed p\u0159i \u010dinnostech, kter\u00e9 vy\u017eaduj\u00ed kr\u00e1tk\u00e9 d\u00e1vky vysoce intenzivn\u00edho \u00fasil\u00ed, jako je vzp\u00edr\u00e1n\u00ed nebo sprint.<\/span><\/p>\n Kreatin funguje tak, \u017ee zvy\u0161uje dostupnost fosfokreatinu ve svalech, kter\u00fd rychleji dopl\u0148uje z\u00e1soby ATP (adenosintrifosf\u00e1t) b\u011bhem vysoce intenzivn\u00edho cvi\u010den\u00ed. ATP je prim\u00e1rn\u00edm zdrojem energie pro svalov\u00e9 kontrakce a jeho rychl\u00e1 regenerace je z\u00e1sadn\u00ed pro udr\u017een\u00ed intenzivn\u00ed fyzick\u00e9 aktivity.<\/span><\/p>\n B\u011bhem obdob\u00ed intenzivn\u00edho cvi\u010den\u00ed se popt\u00e1vka po ATP rychle zvy\u0161uje. ATP poskytuje energii, kdy\u017e uvol\u0148uje jednu ze sv\u00fdch fosf\u00e1tov\u00fdch skupin a tvo\u0159\u00ed ADP (adenosindifosf\u00e1t). ATP ulo\u017een\u00fd ve svalov\u00fdch bu\u0148k\u00e1ch je v\u0161ak omezen\u00fd a m\u016f\u017ee b\u00fdt rychle vy\u010derp\u00e1n b\u011bhem vysoce intenzivn\u00edch aktivit.<\/span><\/p>\n Zde vstupuje do hry fosfokreatin. T\u00edm, \u017ee fosfokreatin daruje svou fosf\u00e1tovou skupinu ADP, pom\u00e1h\u00e1 rychleji regenerovat ATP. To umo\u017e\u0148uje sval\u016fm udr\u017eet si sv\u016fj energetick\u00fd v\u00fddej po del\u0161\u00ed dobu, odd\u00e1lit \u00fanavu a zv\u00fd\u0161it v\u00fdkon v kr\u00e1tk\u00fdch intenzivn\u00edch d\u00e1vk\u00e1ch cvi\u010den\u00ed.<\/span><\/p>\n Kreatin se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 jako dopln\u011bk stravy pro zv\u00fd\u0161en\u00ed sportovn\u00edho v\u00fdkonu a n\u00e1r\u016fst svalov\u00e9 hmoty. Prim\u00e1rn\u011b jej pou\u017e\u00edvaj\u00ed sportovci a kulturist\u00e9 ke zlep\u0161en\u00ed s\u00edly, v\u00fdkonu a vytrvalosti p\u0159i vysoce intenzivn\u00edch kr\u00e1tkodob\u00fdch aktivit\u00e1ch, jako je vzp\u00edr\u00e1n\u00ed, sprinty a sk\u00e1k\u00e1n\u00ed.\u00a0<\/span><\/p>\n P\u0159e\u010dt\u011bte si v\u00edce<\/strong><\/span><\/em>: \u00da\u010desy proti vypad\u00e1v\u00e1n\u00ed vlas\u016f pro \u0159\u00eddnouc\u00ed vlasy<\/strong><\/em><\/a><\/span>\u00a0<\/span><\/p>\n Androgenn\u00ed alopecie, n\u011bkdy ozna\u010dovan\u00e1 jako ple\u0161atost mu\u017esk\u00e9ho nebo \u017eensk\u00e9ho typu, je nejtypi\u010dt\u011bj\u0161\u00edm d\u016fvodem vypad\u00e1v\u00e1n\u00ed vlas\u016f. Tento zd\u011bd\u011bn\u00fd probl\u00e9m se \u010dasto projevuje jako vzory, jako jsou ple\u0161at\u00e1 m\u00edsta nebo ustupuj\u00edc\u00ed vlasov\u00e1 linie s v\u011bkem, a obvykle se vyv\u00edj\u00ed postupn\u011b.<\/span><\/p>\n Hormon\u00e1ln\u00ed zm\u011bny, zdravotn\u00ed onemocn\u011bn\u00ed, specifick\u00e9 l\u00e9ky, stresov\u00e9 situace, radia\u010dn\u00ed terapie a konkr\u00e9tn\u00ed \u00fa\u010desy a o\u0161et\u0159en\u00ed vlas\u016f jsou n\u011bkolik dal\u0161\u00edch faktor\u016f, kter\u00e9 mohou zp\u016fsobit vypad\u00e1v\u00e1n\u00ed vlas\u016f.<\/span><\/p>\n P\u0159esn\u00e1 p\u0159\u00ed\u010dina vypad\u00e1v\u00e1n\u00ed vlas\u016f se m\u016f\u017ee u jednotliv\u00fdch osob li\u0161it, proto je nutn\u00e1 spr\u00e1vn\u00e1 diagn\u00f3za od l\u00e9ka\u0159e, aby se zjistila z\u00e1kladn\u00ed p\u0159\u00ed\u010dina a zv\u00e1\u017eily dostupn\u00e9 mo\u017enosti l\u00e9\u010dby.<\/span><\/p>\n Prob\u00edh\u00e1 diskuse o zda kreatin zp\u016fsobuje vypad\u00e1v\u00e1n\u00ed vlas\u016f nebo ne<\/strong><\/span><\/a>. Some studies suggest that creatine supplements may indirectly contribute to hair loss by increasing DHT (dihydrotestosterone) levels. DHT is a hormone that arises from the conversion of testosterone and is known to be associated with hair loss. However, it’s important to note that the evidence in this area is still limited, and further research is needed to draw definitive conclusions.<\/span><\/p>\n A recent academic article was titled ‘Common Questions and Misconceptions About Creatine Supplementation: What Does the Scientific Evidence Really Show?’ It was published in 2021. The authors examined research on creatine and hair loss. They included a study involving rugby players and concluded that there isn’t enough evidence. They believe that creatine doesn’t directly cause or increase hair loss or baldness. The relationship between creatine and hair loss is not fully understood. This is due to the lack of studies in this specific area. Therefore, we need more research.<\/span><\/p>\n Dihydrotestosteron (DHT) je hormon, kter\u00fd hraje v\u00fdznamnou roli ve v\u00fdvoji mu\u017esk\u00fdch sexu\u00e1ln\u00edch charakteristik, v\u010detn\u011b r\u016fstu ochlupen\u00ed na obli\u010deji a na t\u011ble. DHT v\u0161ak m\u016f\u017ee m\u00edt tak\u00e9 negativn\u00ed dopad na r\u016fst vlas\u016f, zejm\u00e9na na poko\u017eku hlavy.<\/span><\/p>\n DHT se z\u00edsk\u00e1v\u00e1 z testosteronu p\u016fsoben\u00edm enzymu zvan\u00e9ho 5-alfa redukt\u00e1za. V\u00e1\u017ee se na vlasov\u00e9 folikuly a zp\u016fsobuje jejich zmen\u0161en\u00ed, co\u017e vede ke stavu zn\u00e1m\u00e9mu jako androgenetick\u00e1 alopecie neboli mu\u017esk\u00e1 ple\u0161atost. Tento stav m\u016f\u017ee postihnout mu\u017ee i \u017eeny, i kdy\u017e je \u010dast\u011bj\u0161\u00ed u mu\u017e\u016f.<\/span><\/p>\n Citlivost vlasov\u00fdch folikul\u016f na DHT je d\u00e1na genetikou, a proto jsou n\u011bkte\u0159\u00ed lid\u00e9 n\u00e1chyln\u011bj\u0161\u00ed k vypad\u00e1v\u00e1n\u00ed vlas\u016f ne\u017e jin\u00ed. U jedinc\u016f s genetickou predispozic\u00ed k androgenn\u00ed alopecii m\u016f\u017ee DHT zp\u016fsobit, \u017ee se vlasov\u00e9 folikuly \u010dasem miniaturizuj\u00ed, co\u017e vede k postupn\u011b ten\u010d\u00edm a krat\u0161\u00edm vlasov\u00fdm pramen\u016fm. Nakonec mohou posti\u017een\u00e9 folikuly \u00fapln\u011b p\u0159estat produkovat vlasy, co\u017e m\u00e1 za n\u00e1sledek ple\u0161atost.<\/span><\/p>\n P\u0159edpokl\u00e1d\u00e1 se, \u017ee kreatin potenci\u00e1ln\u011b ovliv\u0148uje hladinu DHT (dihydrotestosteronu) v t\u011ble. DHT je hormon odvozen\u00fd z testosteronu a je zn\u00e1mo, \u017ee hraje roli v r\u016fzn\u00fdch fyziologick\u00fdch procesech, v\u010detn\u011b r\u016fstu vlas\u016f a vypad\u00e1v\u00e1n\u00ed vlas\u016f.<\/span><\/p>\n N\u011bkter\u00e9 studie nazna\u010duj\u00ed, \u017ee suplementace kreatinem by mohla v\u00e9st ke zv\u00fd\u0161en\u00ed hladin DHT. Teorie je, \u017ee kreatin m\u016f\u017ee zv\u00fd\u0161it aktivitu enzymu zvan\u00e9ho 5-alfa redukt\u00e1za, kter\u00fd p\u0159em\u011b\u0148uje testosteron na DHT. Vy\u0161\u0161\u00ed hladiny DHT byly spojeny s podm\u00ednkami, jako je mu\u017esk\u00e1 ple\u0161atost.<\/span><\/p>\n However, it’s important to note that the evidence regarding the impact of creatine on DHT levels is still limited and conflicting. Some studies have not found a significant effect of creatine supplementation on DHT levels. Furthermore, the existing research does not conclusively establish a cause-and-effect relationship between creatine intake, DHT levels, and hair loss.<\/span><\/p>\n Creatine’s safety for maintaining healthy hair is still up for dispute and further study. It is crucial to highlight that the current research does not offer firm results, despite the minimal evidence that suggests creatine may increase DHT levels, which can cause hair loss. Although several studies established a link between increased DHT levels and creatine intake, they did not specifically measure hair loss as a result.\u00a0<\/span><\/p>\n Vzhledem k tomu, \u017ee vypad\u00e1v\u00e1n\u00ed vlas\u016f spojen\u00e9 s kreatinem je vz\u00e1cn\u00fd ne\u017e\u00e1douc\u00ed \u00fa\u010dinek, neexistuje pro n\u011bj \u017e\u00e1dn\u00e1 specifick\u00e1 l\u00e9\u010dba.<\/span><\/p>\n Pokud si v\u0161ak mysl\u00edte, \u017ee va\u0161e vypad\u00e1v\u00e1n\u00ed vlas\u016f je zp\u016fsobeno u\u017e\u00edv\u00e1n\u00edm kreatinu, doporu\u010duje se promluvit si s praktick\u00fdm l\u00e9ka\u0159em nebo dermatologem pro spr\u00e1vnou diagn\u00f3zu a individu\u00e1ln\u00ed mo\u017enosti l\u00e9\u010dby. P\u0159i \u0159e\u0161en\u00ed probl\u00e9mu vypad\u00e1v\u00e1n\u00ed vlas\u016f mohou posoudit va\u0161i situaci, proj\u00edt va\u0161i anamn\u00e9zu a vydat spr\u00e1vn\u00e1 doporu\u010den\u00ed, jako je m\u00edstn\u00ed l\u00e9\u010dba, peror\u00e1ln\u00ed l\u00e9ky nebo \u00fapravy \u017eivotn\u00edho stylu.<\/span><\/p>\nCo je kreatin?<\/span><\/h2>\n
<\/span><\/p>\nJak kreatin funguje?<\/span><\/h3>\n
K \u010demu se kreatin pou\u017e\u00edv\u00e1?<\/span><\/h3>\n
Jeho hlavn\u00ed v\u00fdhody<\/span><\/h3>\n
\n
Jeho vedlej\u0161\u00ed \u00fa\u010dinky<\/span><\/h3>\n
\n
What’s the Most Common Cause of Hair Loss?<\/span><\/h2>\n
<\/span><\/p>\nM\u016f\u017ee kreatin v\u00e9st k vypad\u00e1v\u00e1n\u00ed vlas\u016f?<\/span><\/h2>\n
DHT a jeho vliv na vlasy<\/span><\/h3>\n
Hladiny kreatinu a DHT<\/span><\/h3>\n
Je kreatin bezpe\u010dn\u00fd pro zdrav\u00ed vlas\u016f?<\/span><\/h2>\n
Jak zabr\u00e1nit vypad\u00e1v\u00e1n\u00ed vlas\u016f z kreatinu?<\/span><\/h2>\n
\n
L\u00e9\u010dba vypad\u00e1v\u00e1n\u00ed vlas\u016f souvisej\u00edc\u00ed s kreatinem<\/span><\/h2>\n
<\/span><\/p>\n