{"id":4630,"date":"2026-08-21T15:52:23","date_gmt":"2026-08-21T13:52:23","guid":{"rendered":"https:\/\/prozenu.cz\/?p=4630"},"modified":"2026-08-21T15:52:27","modified_gmt":"2026-08-21T13:52:27","slug":"vitamin-d3-a-k2-proc-patri-k-sobe-a-jak-je-spravne-doplnovat","status":"publish","type":"post","link":"https:\/\/prozenu.cz\/?p=4630","title":{"rendered":"Vitamin D3 a K2: pro\u010d pat\u0159\u00ed k sob\u011b a jak je spr\u00e1vn\u011b dopl\u0148ovat"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">O vitaminu D, lidov\u011b \u201ed\u00e9\u010dku&#8220;, sly\u0161el skoro ka\u017ed\u00fd. \u017de se ale&nbsp;<strong>vitamin D3<\/strong>&nbsp;\u010dasto dopl\u0148uje spole\u010dn\u011b s&nbsp;<strong>vitaminem K2<\/strong>, v\u00ed m\u00e1lokdo. A p\u0159itom pr\u00e1v\u011b dvojice&nbsp;<strong>vitamin D3 + K2<\/strong>&nbsp;d\u00e1v\u00e1 z pohledu t\u011bla velk\u00fd smysl. V tomto pr\u016fvodci si srozumiteln\u011b vysv\u011btl\u00edme, na co oba vitaminy jsou, pro\u010d se kombinuj\u00ed, kolik jich t\u011blo pot\u0159ebuje, jak \u010d\u00edst d\u00e1vky v IU a \u00b5g, kdy a jak dlouho je br\u00e1t a jak poznat opravdu kvalitn\u00ed p\u0159\u00edpravek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vitamin D je trochu v\u00fdjime\u010dn\u00fd. T\u011blo si ho um\u00ed samo vytvo\u0159it v k\u016f\u017ei ze slune\u010dn\u00edho z\u00e1\u0159en\u00ed, konkr\u00e9tn\u011b z UVB paprsk\u016f. V na\u0161ich zem\u011bpisn\u00fdch \u0161\u00ed\u0159k\u00e1ch je ale slunce od podzimu do jara n\u00edzko nad obzorem a slab\u00e9, tak\u017ee p\u0159irozen\u00e1 tvorba d\u00e9\u010dka v tomto obdob\u00ed kles\u00e1. Pr\u00e1v\u011b proto o n\u011bm nejv\u00edc p\u0159em\u00fd\u0161l\u00edme v chladn\u00e9 p\u016flce roku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je vitamin D3 a na co ho t\u011blo pot\u0159ebuje?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vitamin D3 (odborn\u011b cholekalciferol) je forma d\u00e9\u010dka, kterou t\u011blo vyu\u017e\u00edv\u00e1 nejl\u00e9pe. Je toti\u017e stejn\u00e1 jako ta, kterou si samo tvo\u0159\u00ed na slunci. V t\u011ble se chov\u00e1 sp\u00ed\u0161 jako hormon: \u0159\u00edd\u00ed hospoda\u0159en\u00ed s v\u00e1pn\u00edkem a zapojuje se do mnoha d\u011bj\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podle schv\u00e1len\u00fdch zdravotn\u00edch tvrzen\u00ed EU (registr Evropsk\u00e9 komise, hodnocen\u00fd \u00fa\u0159adem&nbsp;<strong>EFSA<\/strong>)&nbsp;<strong>vitamin D:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>p\u0159isp\u00edv\u00e1 k\u00a0<strong>norm\u00e1ln\u00ed funkci imunitn\u00edho syst\u00e9mu<\/strong><\/li>\n\n\n\n<li>p\u0159isp\u00edv\u00e1 k\u00a0<strong>udr\u017een\u00ed norm\u00e1ln\u00edho stavu kost\u00ed a zub\u016f<\/strong><\/li>\n\n\n\n<li>p\u0159isp\u00edv\u00e1 k\u00a0<strong>udr\u017een\u00ed norm\u00e1ln\u00ed funkce sval\u016f<\/strong><\/li>\n\n\n\n<li>p\u0159isp\u00edv\u00e1 k\u00a0<strong>norm\u00e1ln\u00edmu vst\u0159eb\u00e1v\u00e1n\u00ed a vyu\u017eit\u00ed v\u00e1pn\u00edku a fosforu<\/strong><\/li>\n\n\n\n<li>pod\u00edl\u00ed se na\u00a0<strong>procesu d\u011blen\u00ed bun\u011bk<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Co je vitamin K2 a pro\u010d zrovna forma MK-7?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vitamin K2 je tich\u00fd par\u0165\u00e1k d\u00e9\u010dka. Existuje ve v\u00edce form\u00e1ch a u dopl\u0148k\u016f je nejcenn\u011bj\u0161\u00ed&nbsp;<strong>MK-7<\/strong>&nbsp;(menachinon-7). Rozd\u00edl proti levn\u011bj\u0161\u00ed form\u011b MK-4 nen\u00ed detail: podle klinick\u00fdch m\u011b\u0159en\u00ed z\u016fst\u00e1v\u00e1 MK-7 v krvi aktivn\u00ed&nbsp;<strong>v\u00fdrazn\u011b d\u00e9le<\/strong>, tak\u017ee ho t\u011blo dok\u00e1\u017ee vyu\u017e\u00edvat del\u0161\u00ed dobu a jeho hladina je stabiln\u011bj\u0161\u00ed (Schurgers et al.,&nbsp;<em>Blood<\/em>&nbsp;2007; Sato et al.,&nbsp;<em>Nutrition Journal<\/em>&nbsp;2012). Jde o&nbsp;<strong>biologickou dostupnost<\/strong>, ne o zdravotn\u00ed tvrzen\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podle schv\u00e1len\u00fdch tvrzen\u00ed EU&nbsp;<strong>vitamin K:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>p\u0159isp\u00edv\u00e1 k\u00a0<strong>udr\u017een\u00ed norm\u00e1ln\u00edho stavu kost\u00ed<\/strong><\/li>\n\n\n\n<li>p\u0159isp\u00edv\u00e1 k\u00a0<strong>norm\u00e1ln\u00ed sr\u00e1\u017elivosti krve<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"578\" src=\"https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_01-1024x578.jpg\" alt=\"\" class=\"wp-image-4632\" style=\"aspect-ratio:1.7794117647058822;width:605px;height:auto\" srcset=\"https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_01-1024x578.jpg 1024w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_01-300x169.jpg 300w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_01-767x433.jpg 767w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_01-1170x661.jpg 1170w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_01-585x330.jpg 585w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_01.jpg 1390w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pro\u010d se vitamin D3 a K2 kombinuj\u00ed?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tohle je nej\u010dast\u011bj\u0161\u00ed ot\u00e1zka a odpov\u011b\u010f je hezky logick\u00e1. Vitamin&nbsp;<strong>D3 pom\u00e1h\u00e1 t\u011blu vst\u0159ebat v\u00e1pn\u00edk<\/strong>&nbsp;z potravy. Vitamin&nbsp;<strong>K2 se pak pod\u00edl\u00ed na tom, aby byl v\u00e1pn\u00edk spr\u00e1vn\u011b vyu\u017eit<\/strong>&nbsp;a sm\u011b\u0159oval tam, kam pat\u0159\u00ed, tedy do kost\u00ed a zub\u016f. Zjednodu\u0161en\u011b:&nbsp;<strong>D3 v\u00e1pn\u00edk \u201epust\u00ed&#8220; do t\u011bla, K2 pom\u00e1h\u00e1 s jeho spr\u00e1vn\u00fdm vyu\u017eit\u00edm.<\/strong>&nbsp;Proto se oba vitaminy \u010dasto d\u00e1vaj\u00ed dohromady do jedn\u00e9 kapsle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Co lid\u00e9 na kombinaci D3 + K2 oce\u0148uj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>dva vitaminy, kter\u00e9 se v t\u011ble tematicky dopl\u0148uj\u00ed, v jedn\u00e9 denn\u00ed d\u00e1vce<\/li>\n\n\n\n<li>pohodl\u00ed: m\u00edsto dvou p\u0159\u00edpravk\u016f sta\u010d\u00ed jeden<\/li>\n\n\n\n<li>K2 ve form\u011b MK-7 s del\u0161\u00ed dobou p\u016fsoben\u00ed<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kolik vitaminu D pot\u0159ebuje\u0161? (IU a \u00b5g srozumiteln\u011b)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na etiket\u00e1ch naraz\u00ed\u0161 na dv\u011b jednotky a lidi to mate. Nen\u00ed to nic slo\u017eit\u00e9ho:&nbsp;<strong>1 \u00b5g vitaminu D = 40 IU.<\/strong>&nbsp;Tak\u017ee t\u0159eba&nbsp;<strong>1 600 IU = 40 \u00b5g<\/strong>. IU (mezin\u00e1rodn\u00ed jednotka) i \u00b5g (mikrogram) popisuj\u00ed tot\u00e9\u017e mno\u017estv\u00ed, jen jinak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Orientace v d\u00e1vk\u00e1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>referen\u010dn\u00ed p\u0159\u00edjem (RHP)<\/strong>\u00a0pro dosp\u011bl\u00e9 v EU je 5 \u00b5g (200 IU) denn\u011b, to je ale minimum \u201ena etiketu&#8220;, ne c\u00edlov\u00e1 d\u00e1vka<\/li>\n\n\n\n<li>b\u011b\u017en\u00e9 dopl\u0148ky d\u00e9\u010dka se pohybuj\u00ed nej\u010dast\u011bji mezi\u00a0<strong>800\u20132 000 IU<\/strong>\u00a0na den<\/li>\n\n\n\n<li>v\u017edy se \u0159i\u010f d\u00e1vkov\u00e1n\u00edm na konkr\u00e9tn\u00edm p\u0159\u00edpravku a\u00a0<strong>nep\u0159ekra\u010duj ho<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kde vitamin D z\u00edsk\u00e1\u0161? Slunce, strava a dopln\u011bk<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u011blo m\u00e1 t\u0159i cesty k d\u00e9\u010dku: slunce, potravu a dopln\u011bk stravy. Slunce je v tepl\u00e9 p\u016flce roku hlavn\u00ed zdroj, v potrav\u011b je d\u00e9\u010dka jen p\u00e1r a ve v\u011bt\u0161\u00edm mno\u017estv\u00ed hlavn\u011b v tu\u010dn\u00fdch ryb\u00e1ch.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"578\" src=\"https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_02-1024x578.jpg\" alt=\"\" class=\"wp-image-4631\" style=\"aspect-ratio:1.7794117647058822;width:605px;height:auto\" srcset=\"https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_02-1024x578.jpg 1024w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_02-767x433.jpg 767w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_02-300x169.jpg 300w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_02-1170x661.jpg 1170w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_02-585x330.jpg 585w, https:\/\/prozenu.cz\/wp-content\/uploads\/2026\/08\/prozenu.cz_roveja_02.jpg 1390w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Orienta\u010dn\u00ed obsah vitaminu D ve vybran\u00fdch potravin\u00e1ch (na 100 g):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><div class=\"pcrstb-wrap\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Potravina<\/strong><\/td><td><strong>Vitamin D (orienta\u010dn\u011b)<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Losos, makrela<\/td><td>~10\u201315 \u00b5g<\/td><\/tr><tr><td>Sardinky, sle\u010f<\/td><td>~5\u201310 \u00b5g<\/td><\/tr><tr><td>\u017dloutek<\/td><td>~1\u20132 \u00b5g<\/td><\/tr><tr><td>Houby vystaven\u00e9 UV<\/td><td>prom\u011bnliv\u00e9<\/td><\/tr><tr><td>Obohacen\u00e9 potraviny (nap\u0159. rostlinn\u00e9 n\u00e1poje)<\/td><td>dle v\u00fdrobce<\/td><\/tr><\/tbody><\/table><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Na vitamin D obvykle v\u00edc mysl\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>lid\u00e9 v\u00a0<strong>podzimn\u00edch a zimn\u00edch m\u011bs\u00edc\u00edch<\/strong>\u00a0(\u0159\u00edjen\u2013b\u0159ezen)<\/li>\n\n\n\n<li>ti, kdo tr\u00e1v\u00ed v\u011bt\u0161inu dne uvnit\u0159<\/li>\n\n\n\n<li><strong>senio\u0159i<\/strong>, s v\u011bkem tvorba d\u00e9\u010dka v k\u016f\u017ei kles\u00e1<\/li>\n\n\n\n<li>lid\u00e9 s tmav\u0161\u00ed plet\u00ed a ti, kdo se b\u011b\u017en\u011b chr\u00e1n\u00ed p\u0159ed sluncem<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">D3 vs D2 a role ho\u0159\u010d\u00edku \u2014 na co je\u0161t\u011b myslet<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u0161t\u011b dv\u011b v\u011bci, kter\u00e9 d\u011blaj\u00ed rozd\u00edl. Za prv\u00e9 forma:&nbsp;<strong>D3 (cholekalciferol)<\/strong>&nbsp;je t\u011blu bli\u017e\u0161\u00ed a l\u00e9pe vyu\u017eiteln\u00e1 ne\u017e rostlinn\u00e1&nbsp;<strong>D2 (ergokalciferol)<\/strong>, proto kvalitn\u00ed p\u0159\u00edpravky s\u00e1zej\u00ed na D3. Za druh\u00e9 souvislosti: na p\u0159em\u011bn\u011b vitaminu D na jeho aktivn\u00ed podobu se v t\u011ble pod\u00edlej\u00ed i dal\u0161\u00ed l\u00e1tky, mimo jin\u00e9&nbsp;<strong>ho\u0159\u010d\u00edk<\/strong>. Kdy\u017e tedy \u0159e\u0161\u00ed\u0161 d\u00e9\u010dko dlouhodob\u011b, d\u00e1v\u00e1 smysl myslet i na dostate\u010dn\u00fd p\u0159\u00edjem&nbsp;<a href=\"https:\/\/www.roveja.cz\/roveja-magnesium-smes-horciku\/\"><u>ho\u0159\u010d\u00edku<\/u><\/a>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>preferuj\u00a0<strong>D3<\/strong>\u00a0p\u0159ed D2<\/li>\n\n\n\n<li>ber d\u00e9\u010dko\u00a0<strong>s j\u00eddlem obsahuj\u00edc\u00edm tuk<\/strong>\u00a0(je rozpustn\u00e9 v tuc\u00edch), nebo zvol p\u0159\u00edpravek s tukov\u00fdm nosi\u010dem<\/li>\n\n\n\n<li>mysli i na n\u00e1vazn\u00e9 l\u00e1tky, jako je ho\u0159\u010d\u00edk<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Jak vybrat kvalitn\u00ed vitamin D3 + K2?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ne ka\u017ed\u00e9 d\u00e9\u010dko je stejn\u00e9. Vyplat\u00ed se hl\u00eddat formu, d\u00e1vky a \u010distotu slo\u017een\u00ed. Hezk\u00fd p\u0159\u00edklad p\u0159\u00edpravku, kter\u00fd tohle spl\u0148uje, je&nbsp;<a href=\"https:\/\/www.roveja.cz\/roveja-vitamin-d3-k2\/\"><u>vitamin D3 + K2 s formou MK-7 a MCT nosi\u010dem<\/u><\/a>&nbsp;od \u010desk\u00e9 zna\u010dky Roveja. Kombinuje&nbsp;<strong>D3 (1 600 IU \/ 40 \u00b5g)<\/strong>&nbsp;a&nbsp;<strong>K2 jako MK-7 (90 \u00b5g)<\/strong>&nbsp;v jedn\u00e9 rostlinn\u00e9 kapsli a d\u00edky&nbsp;<strong>MCT pr\u00e1\u0161ku<\/strong>&nbsp;z kokosu nemus\u00ed\u0161 tolik \u0159e\u0161it, jestli ho bere\u0161 s dostate\u010dn\u011b tu\u010dn\u00fdm j\u00eddlem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i v\u00fdb\u011bru koukej na:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vitamin D ve form\u011b\u00a0<strong>D3<\/strong>\u00a0(ne slab\u0161\u00ed D2)<\/li>\n\n\n\n<li>vitamin K2 ve form\u011b\u00a0<strong>MK-7<\/strong>\u00a0(d\u00e9le aktivn\u00ed ne\u017e MK-4)<\/li>\n\n\n\n<li><strong>konkr\u00e9tn\u011b uveden\u00e9 d\u00e1vky<\/strong>\u00a0v \u00b5g i IU, ne jen \u201eobsahuje d\u00e9\u010dko&#8220;<\/li>\n\n\n\n<li><strong>tukov\u00fd nosi\u010d<\/strong>\u00a0(nap\u0159. MCT) pro lep\u0161\u00ed vst\u0159eb\u00e1v\u00e1n\u00ed<\/li>\n\n\n\n<li>\u010dist\u00e9 slo\u017een\u00ed,\u00a0<strong>rostlinnou\/vegan kapsli<\/strong>\u00a0a\u00a0<strong>v\u00fdrobu v \u010cR<\/strong>\u00a0pod kontrolou<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e1vkov\u00e1n\u00ed a upozorn\u011bn\u00ed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typick\u00e9 d\u00e1vkov\u00e1n\u00ed u kombinace D3 + K2 je\u00a0<strong>1 kapsle denn\u011b<\/strong>\u00a0s j\u00eddlem obsahuj\u00edc\u00edm tuk. Nep\u0159ekra\u010duj doporu\u010den\u00e9 denn\u00ed d\u00e1vkov\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Dopln\u011bk stravy.<\/strong>\u00a0Nenahrazuje pestrou a vyv\u00e1\u017eenou stravu ani zdrav\u00fd \u017eivotn\u00ed styl. Ukl\u00e1dej mimo dosah d\u011bt\u00ed, skladuj v suchu do 25 \u00b0C mimo p\u0159\u00edm\u00e9 slunce. Nen\u00ed ur\u010deno pro d\u011bti, t\u011bhotn\u00e9 a koj\u00edc\u00ed \u017eeny. Pokud u\u017e\u00edv\u00e1\u0161 l\u00e9ky na sr\u00e1\u017elivost krve (antikoagulancia), pora\u010f se p\u0159ed u\u017e\u00edv\u00e1n\u00edm vitaminu K s l\u00e9ka\u0159em.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Na co je vitamin D3?<\/strong>\u00a0Vitamin D3 p\u0159isp\u00edv\u00e1 k norm\u00e1ln\u00ed funkci imunitn\u00edho syst\u00e9mu, k udr\u017een\u00ed norm\u00e1ln\u00edho stavu kost\u00ed, zub\u016f a sval\u016f a k norm\u00e1ln\u00edmu vst\u0159eb\u00e1v\u00e1n\u00ed v\u00e1pn\u00edku a fosforu.<\/li>\n\n\n\n<li><strong>Pro\u010d se vitamin D3 kombinuje s K2?<\/strong>\u00a0Proto\u017ee se v t\u011ble dopl\u0148uj\u00ed: D3 pom\u00e1h\u00e1 vst\u0159ebat v\u00e1pn\u00edk z potravy a vitamin K2 se pod\u00edl\u00ed na jeho spr\u00e1vn\u00e9m vyu\u017eit\u00ed a udr\u017een\u00ed norm\u00e1ln\u00edho stavu kost\u00ed. Proto b\u00fdvaj\u00ed spolu v jedn\u00e9 kapsli.<\/li>\n\n\n\n<li><strong>Kolik je 1 600 IU vitaminu D v mikrogramech?<\/strong>\u00a0P\u0159esn\u011b 40 \u00b5g. Plat\u00ed p\u0159evod 1 \u00b5g = 40 IU, tak\u017ee 1 600 IU odpov\u00edd\u00e1 40 \u00b5g.<\/li>\n\n\n\n<li><strong>Kdy br\u00e1t vitamin D3 + K2?<\/strong>\u00a0Nejl\u00e9pe jednou denn\u011b s j\u00eddlem obsahuj\u00edc\u00edm trochu tuku, proto\u017ee oba vitaminy jsou rozpustn\u00e9 v tuc\u00edch. Denn\u00ed doba nen\u00ed z\u00e1sadn\u00ed, d\u016fle\u017eit\u00e1 je pravidelnost.<\/li>\n\n\n\n<li><strong>Jak dlouho vitamin D u\u017e\u00edvat?<\/strong>\u00a0D\u00e9\u010dko se d\u00e1 dopl\u0148ovat dlouhodob\u011b, hlavn\u011b v obdob\u00ed s m\u00e1lo sluncem od podzimu do jara, klidn\u011b ale celoro\u010dn\u011b. V\u017edy dodr\u017euj doporu\u010den\u00e9 d\u00e1vkov\u00e1n\u00ed.<\/li>\n\n\n\n<li><strong>Jak\u00fd je rozd\u00edl mezi D3 a D2?<\/strong>\u00a0D3 (cholekalciferol) je forma, kterou si t\u011blo tvo\u0159\u00ed na slunci a obvykle ji vyu\u017e\u00edv\u00e1 l\u00e9pe ne\u017e rostlinnou D2 (ergokalciferol). Proto kvalitn\u00ed p\u0159\u00edpravky s\u00e1zej\u00ed na D3.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Zdroje<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Evropsk\u00e1 komise \u2013 Zdravotn\u00ed tvrzen\u00ed (pravidla a p\u0159ehled schv\u00e1len\u00fdch tvrzen\u00ed pro vitaminy a miner\u00e1ly):\u00a0<a href=\"https:\/\/food.ec.europa.eu\/food-safety\/labelling-and-nutrition\/nutrition-and-health-claims\/health-claims_en\">https:\/\/food.ec.europa.eu\/food-safety\/labelling-and-nutrition\/nutrition-and-health-claims\/health-claims_en<\/a><\/li>\n\n\n\n<li>EFSA \u2013 V\u011bdeck\u00e9 stanovisko k vitaminu D (imunitn\u00ed syst\u00e9m, funkce sval\u016f):\u00a0<a href=\"https:\/\/efsa.europa.eu\/en\/efsajournal\/pub\/1468\">https:\/\/efsa.europa.eu\/en\/efsajournal\/pub\/1468<\/a><\/li>\n\n\n\n<li>St\u00e1tn\u00ed zdravotn\u00ed \u00fastav (SZ\u00da) \u2013 Vitamin D: potraviny, v\u00fd\u017eiva a zdrav\u00ed:\u00a0<a href=\"https:\/\/szu.gov.cz\/temata-zdravi-a-bezpecnosti\/zdravi-vyziva-bezpecnost-potravin-a-predmetu-bezneho-uzivani\/vitamin-d-potraviny-vyziva-a-zdravi\/\">https:\/\/szu.gov.cz\/temata-zdravi-a-bezpecnosti\/zdravi-vyziva-bezpecnost-potravin-a-predmetu-bezneho-uzivani\/vitamin-d-potraviny-vyziva-a-zdravi\/<\/a><\/li>\n\n\n\n<li>Schurgers L. J. et al. Vitamin K-containing dietary supplements: comparison of synthetic vitamin K1 and natto-derived menaquinone-7.\u00a0<em>Blood<\/em>\u00a02007;109(8):3279\u20133283:\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/17158229\/\">https:\/\/pubmed.ncbi.nlm.nih.gov\/17158229\/<\/a><\/li>\n\n\n\n<li>Sato T. et al. Comparison of menaquinone-4 and menaquinone-7 bioavailability in healthy women.\u00a0<em>Nutrition Journal<\/em>\u00a02012;11:93:\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/23140417\/\">https:\/\/pubmed.ncbi.nlm.nih.gov\/23140417\/<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>O vitaminu D, lidov\u011b \u201ed\u00e9\u010dku&#8220;, sly\u0161el skoro ka\u017ed\u00fd. \u017de se ale&nbsp;vitamin D3&nbsp;\u010dasto dopl\u0148uje spole\u010dn\u011b s&nbsp;vitaminem K2, v\u00ed m\u00e1lokdo. A p\u0159itom pr\u00e1v\u011b dvojice&nbsp;vitamin D3 + K2&nbsp;d\u00e1v\u00e1 z pohledu t\u011bla velk\u00fd smysl.&hellip;<\/p>\n","protected":false},"author":1,"featured_media":4633,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[9],"tags":[],"class_list":["post-4630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-magazin"],"_links":{"self":[{"href":"https:\/\/prozenu.cz\/index.php?rest_route=\/wp\/v2\/posts\/4630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prozenu.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prozenu.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prozenu.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prozenu.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4630"}],"version-history":[{"count":0,"href":"https:\/\/prozenu.cz\/index.php?rest_route=\/wp\/v2\/posts\/4630\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prozenu.cz\/index.php?rest_route=\/wp\/v2\/media\/4633"}],"wp:attachment":[{"href":"https:\/\/prozenu.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prozenu.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prozenu.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}