{"id":5545,"date":"2017-01-25T10:17:32","date_gmt":"2017-01-25T10:17:32","guid":{"rendered":"http:\/\/www.robertofrancodoamaral.com.br\/blog\/?p=5545"},"modified":"2026-02-09T12:34:14","modified_gmt":"2026-02-09T15:34:14","slug":"vitamina-k2-mk7","status":"publish","type":"post","link":"https:\/\/www.robertofrancodoamaral.com.br\/blog\/vitamina-k2-mk7\/","title":{"rendered":"Para que serve a Vitamina K2-MK7?"},"content":{"rendered":"<hr \/>\n<hr \/>\n<hr \/>\n<h1><span style=\"color: #000080;\">Vitamina<strong data-start=\"112\" data-end=\"172\"> K2-MK7: Para que serve, como tomar e benef\u00edcios<\/strong><\/span><\/h1>\n<p>Por que ela \u00e9 importante?<\/p>\n<p class=\"\" data-start=\"208\" data-end=\"276\">Se h\u00e1 uma vitamina que merece mais aten\u00e7\u00e3o, \u00e9 a <strong data-start=\"256\" data-end=\"275\">vitamina K2-MK7<\/strong>.<\/p>\n<ol data-start=\"278\" data-end=\"409\">\n<li class=\"\" data-start=\"278\" data-end=\"325\">\n<p class=\"\" data-start=\"281\" data-end=\"325\"><strong data-start=\"281\" data-end=\"323\">Voc\u00ea provavelmente consome pouco dela.<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"326\" data-end=\"409\">\n<p class=\"\" data-start=\"329\" data-end=\"409\"><strong data-start=\"329\" data-end=\"368\">Ela \u00e9 pouco conhecida e subestimada<\/strong>, apesar dos in\u00fameros benef\u00edcios \u00e0 sa\u00fade.<\/p>\n<\/li>\n<\/ol>\n<hr class=\"\" data-start=\"411\" data-end=\"414\" \/>\n<h2 class=\"\" data-start=\"416\" data-end=\"453\"><span style=\"color: #0000ff;\"><strong data-start=\"422\" data-end=\"453\">Vitamina K: Tipos e fun\u00e7\u00f5es<\/strong><\/span><\/h2>\n<p class=\"\" data-start=\"455\" data-end=\"578\">As vitaminas K pertencem ao grupo das <strong data-start=\"493\" data-end=\"510\">lipossol\u00faveis<\/strong>, ou seja, precisam de gordura para serem absorvidas pelo organismo.<\/p>\n<p class=\"\" data-start=\"580\" data-end=\"607\">Existem 3 tipos principais:<\/p>\n<ul data-start=\"609\" data-end=\"1150\">\n<li class=\"\" data-start=\"609\" data-end=\"861\">\n<p class=\"\" data-start=\"611\" data-end=\"861\"><strong data-start=\"611\" data-end=\"642\">Vitamina K1 (fitomenadiona)<\/strong><br data-start=\"642\" data-end=\"645\" \/>Encontrada em vegetais verdes escuros. Atua na <strong data-start=\"694\" data-end=\"718\">coagula\u00e7\u00e3o do sangue<\/strong> (por isso chamada de \u201canti-hemorr\u00e1gica\u201d). A falta dela pode causar sangramentos, como nasais. Pode ser avaliada por exame de <strong data-start=\"844\" data-end=\"860\">coagulograma<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"863\" data-end=\"1059\">\n<p class=\"\" data-start=\"865\" data-end=\"1059\"><strong data-start=\"865\" data-end=\"894\">Vitamina K2 (menaquinona)<\/strong><br data-start=\"894\" data-end=\"897\" \/>Produzida por bact\u00e9rias intestinais e presente em alimentos fermentados. <strong data-start=\"972\" data-end=\"1003\">N\u00e3o participa da coagula\u00e7\u00e3o<\/strong>, mas tem pap\u00e9is importantes no <strong data-start=\"1035\" data-end=\"1058\">cora\u00e7\u00e3o e nos ossos<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1061\" data-end=\"1150\">\n<p class=\"\" data-start=\"1063\" data-end=\"1150\"><strong data-start=\"1063\" data-end=\"1090\">Vitamina K3 (menadiona)<\/strong><br data-start=\"1090\" data-end=\"1093\" \/>\u00c9 sint\u00e9tica e <strong data-start=\"1109\" data-end=\"1150\">n\u00e3o \u00e9 recomendada para suplementa\u00e7\u00e3o.<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"1152\" data-end=\"1155\" \/>\n<h2 class=\"\" data-start=\"1157\" data-end=\"1195\"><span style=\"color: #0000ff;\"><strong data-start=\"1163\" data-end=\"1195\">Fontes alimentares de K2-MK7<\/strong><\/span><\/h2>\n<p class=\"\" data-start=\"1197\" data-end=\"1243\">A vitamina K2-MK7 pode ser obtida por meio de:<\/p>\n<ul data-start=\"1244\" data-end=\"1382\">\n<li class=\"\" data-start=\"1244\" data-end=\"1269\">\n<p class=\"\" data-start=\"1246\" data-end=\"1269\">Soja fermentada (natto)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1270\" data-end=\"1278\">\n<p class=\"\" data-start=\"1272\" data-end=\"1278\">F\u00edgado<\/p>\n<\/li>\n<li class=\"\" data-start=\"1279\" data-end=\"1292\">\n<p class=\"\" data-start=\"1281\" data-end=\"1292\">Gema de ovo<\/p>\n<\/li>\n<li class=\"\" data-start=\"1293\" data-end=\"1300\">\n<p class=\"\" data-start=\"1295\" data-end=\"1300\">Leite<\/p>\n<\/li>\n<li class=\"\" data-start=\"1301\" data-end=\"1322\">\n<p class=\"\" data-start=\"1303\" data-end=\"1322\">Queijos fermentados<\/p>\n<\/li>\n<li class=\"\" data-start=\"1323\" data-end=\"1332\">\n<p class=\"\" data-start=\"1325\" data-end=\"1332\">Iogurte<\/p>\n<\/li>\n<li class=\"\" data-start=\"1333\" data-end=\"1348\">\n<p class=\"\" data-start=\"1335\" data-end=\"1348\">\u00d3leo de peixe<\/p>\n<\/li>\n<li class=\"\" data-start=\"1349\" data-end=\"1382\">\n<p class=\"\" data-start=\"1351\" data-end=\"1382\">Produ\u00e7\u00e3o por bact\u00e9rias do c\u00f3lon<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"1384\" data-end=\"1387\" \/>\n<h2 class=\"\" data-start=\"1389\" data-end=\"1433\"><span style=\"color: #0000ff;\"><strong data-start=\"1395\" data-end=\"1433\">Vitamina K2 e sa\u00fade cardiovascular<\/strong><\/span><\/h2>\n<p class=\"\" data-start=\"1435\" data-end=\"1485\">Estudos como o <strong data-start=\"1450\" data-end=\"1470\">Rotterdam (2004)<\/strong> mostraram que:<\/p>\n<ul data-start=\"1486\" data-end=\"1694\">\n<li class=\"\" data-start=\"1486\" data-end=\"1558\">\n<p class=\"\" data-start=\"1488\" data-end=\"1558\">Pessoas que consomem mais K2 t\u00eam <strong data-start=\"1521\" data-end=\"1557\">menor risco de doen\u00e7as card\u00edacas<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1559\" data-end=\"1626\">\n<p class=\"\" data-start=\"1561\" data-end=\"1626\">Houve <strong data-start=\"1567\" data-end=\"1625\">redu\u00e7\u00e3o de 50% na mortalidade por doen\u00e7as coronarianas<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1627\" data-end=\"1694\">\n<p class=\"\" data-start=\"1629\" data-end=\"1694\">Menor <strong data-start=\"1635\" data-end=\"1664\">calcifica\u00e7\u00e3o das art\u00e9rias<\/strong> (preven\u00e7\u00e3o da aterosclerose).<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"1696\" data-end=\"1765\">A vitamina K2 <strong data-start=\"1710\" data-end=\"1749\">impede o ac\u00famulo indevido de c\u00e1lcio<\/strong> em locais como:<\/p>\n<ul data-start=\"1766\" data-end=\"1913\">\n<li class=\"\" data-start=\"1766\" data-end=\"1800\">\n<p class=\"\" data-start=\"1768\" data-end=\"1800\">Art\u00e9rias (evitando entupimentos)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1801\" data-end=\"1837\">\n<p class=\"\" data-start=\"1803\" data-end=\"1837\">Articula\u00e7\u00f5es (prevenindo artroses)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1838\" data-end=\"1885\">\n<p class=\"\" data-start=\"1840\" data-end=\"1885\">Rins e ves\u00edcula (reduzindo risco de c\u00e1lculos)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1886\" data-end=\"1913\">\n<p class=\"\" data-start=\"1888\" data-end=\"1913\">Olhos (evitando catarata)<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"1915\" data-end=\"1918\" \/>\n<h2 class=\"\" data-start=\"1920\" data-end=\"1955\"><span style=\"color: #0000ff;\"><strong data-start=\"1926\" data-end=\"1955\">Vitamina K2- mk7 e osteoporose<\/strong><\/span><\/h2>\n<p class=\"\" data-start=\"1957\" data-end=\"2052\">A K2 atua na <strong data-start=\"1970\" data-end=\"1991\">remodela\u00e7\u00e3o \u00f3ssea<\/strong>, um processo natural que mant\u00e9m os ossos fortes e saud\u00e1veis:<\/p>\n<ul data-start=\"2054\" data-end=\"2274\">\n<li class=\"\" data-start=\"2054\" data-end=\"2134\">\n<p class=\"\" data-start=\"2056\" data-end=\"2134\">Estimula a produ\u00e7\u00e3o da <strong data-start=\"2079\" data-end=\"2095\">osteocalcina<\/strong>, prote\u00edna que fixa o c\u00e1lcio nos ossos.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2135\" data-end=\"2220\">\n<p class=\"\" data-start=\"2137\" data-end=\"2220\">Atua junto com a <strong data-start=\"2154\" data-end=\"2169\">vitamina D3<\/strong>, melhorando a <strong data-start=\"2184\" data-end=\"2219\">absor\u00e7\u00e3o e utiliza\u00e7\u00e3o do c\u00e1lcio<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2221\" data-end=\"2274\">\n<p class=\"\" data-start=\"2223\" data-end=\"2274\">Previne perda de densidade \u00f3ssea e <strong data-start=\"2258\" data-end=\"2273\">osteoporose<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"2276\" data-end=\"2279\" \/>\n<h2 class=\"\" data-start=\"2281\" data-end=\"2324\"><span style=\"color: #0000ff;\"><strong data-start=\"2287\" data-end=\"2324\">Vitamina K2, diabetes e obesidade<\/strong><\/span><\/h2>\n<ul data-start=\"2326\" data-end=\"2542\">\n<li class=\"\" data-start=\"2326\" data-end=\"2373\">\n<p class=\"\" data-start=\"2328\" data-end=\"2373\">Pode <strong data-start=\"2333\" data-end=\"2372\">melhorar a sensibilidade \u00e0 insulina<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2374\" data-end=\"2445\">\n<p class=\"\" data-start=\"2376\" data-end=\"2445\">Ajuda a <strong data-start=\"2384\" data-end=\"2412\">reduzir gordura visceral<\/strong> e previne o <strong data-start=\"2425\" data-end=\"2444\">diabetes tipo 2<\/strong>.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2446\" data-end=\"2542\">\n<p class=\"\" data-start=\"2448\" data-end=\"2542\">Contribui para a <strong data-start=\"2465\" data-end=\"2493\">estabilidade da glicemia<\/strong> e previne complica\u00e7\u00f5es metab\u00f3licas da obesidade.<\/p>\n<\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-5546 size-full\" src=\"https:\/\/www.robertofrancodoamaral.com.br\/blog\/wp-content\/uploads\/2017\/01\/sem-titulo.jpg\" alt=\"vitaminak2\" width=\"732\" height=\"396\" srcset=\"https:\/\/www.robertofrancodoamaral.com.br\/blog\/wp-content\/uploads\/2017\/01\/sem-titulo.jpg 732w, https:\/\/www.robertofrancodoamaral.com.br\/blog\/wp-content\/uploads\/2017\/01\/sem-titulo-300x162.jpg 300w\" sizes=\"(max-width: 732px) 100vw, 732px\" \/><\/p>\n<h2 class=\"\" data-start=\"123\" data-end=\"206\"><strong data-start=\"129\" data-end=\"206\">Vitamina K2-MK7: Novas descobertas e efeitos na sa\u00fade mental e metab\u00f3lica<\/strong><\/h2>\n<p class=\"\" data-start=\"208\" data-end=\"329\">Al\u00e9m das fun\u00e7\u00f5es j\u00e1 conhecidas da vitamina K2, novas pesquisas t\u00eam revelado efeitos promissores em outras \u00e1reas da sa\u00fade.<\/p>\n<p><strong data-start=\"338\" data-end=\"377\">Efeitos sobre ansiedade e depress\u00e3o<\/strong><\/p>\n<p class=\"\" data-start=\"379\" data-end=\"658\">Um estudo realizado por cientistas b\u00falgaros e publicado em 2016 na revista <em data-start=\"454\" data-end=\"475\">Folia Med (Plovdiv)<\/em> demonstrou que a <strong data-start=\"493\" data-end=\"508\">vitamina K2<\/strong> foi capaz de <strong data-start=\"522\" data-end=\"567\">reduzir sintomas de ansiedade e depress\u00e3o<\/strong>, embora <strong data-start=\"576\" data-end=\"620\">n\u00e3o tenha melhorado o d\u00e9ficit de mem\u00f3ria<\/strong> causado pela <strong data-start=\"634\" data-end=\"657\">s\u00edndrome metab\u00f3lica<\/strong>.<\/p>\n<p class=\"\" data-start=\"660\" data-end=\"1001\">A <strong data-start=\"662\" data-end=\"685\">s\u00edndrome metab\u00f3lica<\/strong> \u00e9 uma condi\u00e7\u00e3o que aumenta o risco de desenvolver <strong data-start=\"736\" data-end=\"749\">depress\u00e3o<\/strong>, <strong data-start=\"751\" data-end=\"764\">ansiedade<\/strong> e <strong data-start=\"767\" data-end=\"796\">comprometimento cognitivo<\/strong>. Os autores sugerem que o efeito ansiol\u00edtico da vitamina K2 pode estar ligado ao seu impacto no <strong data-start=\"893\" data-end=\"926\">controle da glicose no sangue<\/strong>, enquanto o efeito antidepressivo parece ser <strong data-start=\"972\" data-end=\"1000\">independente desse fator<\/strong>.<\/p>\n<hr class=\"\" data-start=\"1003\" data-end=\"1006\" \/>\n<h2 class=\"\" data-start=\"1008\" data-end=\"1055\"><span style=\"color: #0000ff;\"><strong data-start=\"1014\" data-end=\"1055\">Vitamina K2-MK7 e S\u00edndrome Metab\u00f3lica<\/strong><\/span><\/h2>\n<p class=\"\" data-start=\"1057\" data-end=\"1227\">A <strong data-start=\"1059\" data-end=\"1089\">s\u00edndrome metab\u00f3lica (SMet)<\/strong> \u00e9 um conjunto de altera\u00e7\u00f5es metab\u00f3licas que elevam o risco de <strong data-start=\"1152\" data-end=\"1171\">diabetes tipo 2<\/strong> e <strong data-start=\"1174\" data-end=\"1202\">doen\u00e7as cardiovasculares<\/strong>. Entre os fatores est\u00e3o:<\/p>\n<ul data-start=\"1228\" data-end=\"1331\">\n<li class=\"\" data-start=\"1228\" data-end=\"1256\">\n<p class=\"\" data-start=\"1230\" data-end=\"1256\"><strong data-start=\"1230\" data-end=\"1256\">Resist\u00eancia \u00e0 insulina<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1257\" data-end=\"1291\">\n<p class=\"\" data-start=\"1259\" data-end=\"1291\"><strong data-start=\"1259\" data-end=\"1291\">Excesso de gordura abdominal<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1292\" data-end=\"1312\">\n<p class=\"\" data-start=\"1294\" data-end=\"1312\"><strong data-start=\"1294\" data-end=\"1312\">M\u00e1 alimenta\u00e7\u00e3o<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1313\" data-end=\"1331\">\n<p class=\"\" data-start=\"1315\" data-end=\"1331\"><strong data-start=\"1315\" data-end=\"1331\">Sedentarismo<\/strong><\/p>\n<\/li>\n<\/ul>\n<p>Crit\u00e9rios diagn\u00f3sticos (3 ou mais fatores):<\/p>\n<ul data-start=\"1384\" data-end=\"1646\">\n<li class=\"\" data-start=\"1384\" data-end=\"1454\">\n<p class=\"\" data-start=\"1386\" data-end=\"1413\">Circunfer\u00eancia abdominal:<\/p>\n<blockquote data-start=\"1416\" data-end=\"1454\">\n<p class=\"\" data-start=\"1418\" data-end=\"1454\">Homens &gt; 102 cm | Mulheres &gt; 88 cm<\/p>\n<\/blockquote>\n<\/li>\n<li class=\"\" data-start=\"1455\" data-end=\"1515\">\n<p class=\"\" data-start=\"1457\" data-end=\"1469\">HDL baixo:<\/p>\n<blockquote data-start=\"1472\" data-end=\"1515\">\n<p class=\"\" data-start=\"1474\" data-end=\"1515\">Homens &lt; 40 mg\/dL | Mulheres &lt; 50 mg\/dL<\/p>\n<\/blockquote>\n<\/li>\n<li class=\"\" data-start=\"1516\" data-end=\"1546\">\n<p class=\"\" data-start=\"1518\" data-end=\"1546\">Triglicer\u00eddeos \u2265 150 mg\/dL<\/p>\n<\/li>\n<li class=\"\" data-start=\"1547\" data-end=\"1621\">\n<p class=\"\" data-start=\"1549\" data-end=\"1621\">Press\u00e3o arterial \u2265 135\/85 mmHg ou uso de medicamento anti-hipertensivo<\/p>\n<\/li>\n<li class=\"\" data-start=\"1622\" data-end=\"1646\">\n<p class=\"\" data-start=\"1624\" data-end=\"1646\">Glicemia \u2265 110 mg\/dL<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"1648\" data-end=\"1811\">\u00a0Um estudo com <strong data-start=\"1665\" data-end=\"1700\">625 pessoas ao longo de 10 anos<\/strong> mostrou que <strong data-start=\"1713\" data-end=\"1747\">altas ingest\u00f5es de vitamina K2<\/strong> est\u00e3o associadas a <strong data-start=\"1767\" data-end=\"1810\">menor incid\u00eancia da s\u00edndrome metab\u00f3lica<\/strong>.<\/p>\n<hr class=\"\" data-start=\"1813\" data-end=\"1816\" \/>\n<h2 class=\"\" data-start=\"1818\" data-end=\"1853\"><span style=\"color: #0000ff;\"><strong data-start=\"1823\" data-end=\"1853\">Vitamina K2e mitoc\u00f4ndrias<\/strong><\/span><\/h2>\n<p class=\"\" data-start=\"1855\" data-end=\"2085\">A <strong data-start=\"1857\" data-end=\"1876\">vitamina K2-MK7<\/strong> demonstrou a capacidade de <strong data-start=\"1904\" data-end=\"1939\">restaurar a fun\u00e7\u00e3o mitocondrial<\/strong> e melhorar a <strong data-start=\"1953\" data-end=\"1982\">produ\u00e7\u00e3o de energia (ATP)<\/strong>, especialmente em tecidos com alta densidade de mitoc\u00f4ndrias, como <strong data-start=\"2050\" data-end=\"2084\">m\u00fasculo card\u00edaco e esquel\u00e9tico<\/strong>.<\/p>\n<hr class=\"\" data-start=\"2087\" data-end=\"2090\" \/>\n<h2 class=\"\" data-start=\"2092\" data-end=\"2142\"><span style=\"color: #0000ff;\"><strong data-start=\"2101\" data-end=\"2142\">Desempenho card\u00edaco e vitamina K2-MK7<\/strong><\/span><\/h2>\n<p class=\"\" data-start=\"2144\" data-end=\"2308\">Um estudo da <strong data-start=\"2157\" data-end=\"2191\">Universidade do Norte do Texas<\/strong> publicado em 2017 investigou os efeitos da suplementa\u00e7\u00e3o com vitamina K2 por <strong data-start=\"2269\" data-end=\"2282\">8 semanas<\/strong> em <strong data-start=\"2286\" data-end=\"2307\">atletas saud\u00e1veis<\/strong>.<\/p>\n<p>Resultados:<\/p>\n<ul data-start=\"2326\" data-end=\"2472\">\n<li class=\"\" data-start=\"2326\" data-end=\"2374\">\n<p class=\"\" data-start=\"2328\" data-end=\"2374\">Aumento de <strong data-start=\"2339\" data-end=\"2372\">12% no d\u00e9bito card\u00edaco m\u00e1ximo<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"2375\" data-end=\"2432\">\n<p class=\"\" data-start=\"2377\" data-end=\"2432\">Tend\u00eancia de melhora na <strong data-start=\"2401\" data-end=\"2430\">efici\u00eancia card\u00edaca (AUC)<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"2433\" data-end=\"2472\">\n<p class=\"\" data-start=\"2435\" data-end=\"2472\"><strong data-start=\"2435\" data-end=\"2472\">Sem altera\u00e7\u00f5es no volume card\u00edaco<\/strong><\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"2474\" data-end=\"2595\">Esse foi o <strong data-start=\"2485\" data-end=\"2504\">primeiro estudo<\/strong> a mostrar <strong data-start=\"2515\" data-end=\"2561\">benef\u00edcios cardiovasculares da vitamina K2<\/strong> em indiv\u00edduos ativos e saud\u00e1veis.<\/p>\n<hr \/>\n<h2 data-start=\"2474\" data-end=\"2595\"><span style=\"color: #0000ff;\"><strong>Efic\u00e1cia da terapia combinada de horm\u00f4nio paratireoideo humano recombinante (PTH) e vitamina K2 na osteoporose p\u00f3s-menopausa<\/strong><\/span><\/h2>\n<p data-start=\"2474\" data-end=\"2595\">Este estudo teve como objetivo avaliar a efic\u00e1cia e a seguran\u00e7a de uma terapia combinada de horm\u00f4nio da paratireoide humana recombinante 1-34 [rhPTH (1-34)] e vitamina K2 versus vitamina K2 sozinha no tratamento da osteoporose p\u00f3s-menopausa.<\/p>\n<p data-start=\"2474\" data-end=\"2595\">Um total de 77 pacientes com osteoporose p\u00f3s-menopausa foram divididas aleatoriamente em dois grupos<\/p>\n<p data-start=\"2474\" data-end=\"2595\">Em resumo, a terapia combinada de PTH e vitamina K2 demonstrou efic\u00e1cia mais potente no tratamento da osteoporose p\u00f3s-menopausa, melhorando mais efetivamente os marcadores de DMO e metabolismo \u00f3sseo do que a vitamina K2 sozinha, sem um aumento significativo nas rea\u00e7\u00f5es adversas.<\/p>\n<p data-start=\"2474\" data-end=\"2595\">__________________________________________________________________________<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"EPMHExXKXW\"><p><a href=\"https:\/\/www.robertofrancodoamaral.com.br\/blog\/vitamina-d\/\">A import\u00e2ncia da Vitamina D na nossa sa\u00fade  ! Entenda porqu\u00ea.<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;A import\u00e2ncia da Vitamina D na nossa sa\u00fade  ! Entenda porqu\u00ea.&#8221; &#8212; Dr. Roberto Franco do Amaral Neto\" src=\"https:\/\/www.robertofrancodoamaral.com.br\/blog\/vitamina-d\/embed\/#?secret=DmlSYMtY9r#?secret=EPMHExXKXW\" data-secret=\"EPMHExXKXW\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<hr \/>\n<hr class=\"\" data-start=\"2597\" data-end=\"2600\" \/>\n<h2 class=\"\" data-start=\"2602\" data-end=\"2656\"><strong data-start=\"2608\" data-end=\"2656\">Perguntas frequentes sobre a vitamina K2-MK7<\/strong><\/h2>\n<p><span style=\"color: #0000ff;\"><strong>\u27a4 Para que serve a vitamina K2-MK7?<\/strong><\/span><\/p>\n<ul data-start=\"2698\" data-end=\"2914\">\n<li class=\"\" data-start=\"2698\" data-end=\"2763\">\n<p class=\"\" data-start=\"2700\" data-end=\"2763\">Auxilia na <strong data-start=\"2711\" data-end=\"2742\">fixa\u00e7\u00e3o do c\u00e1lcio nos ossos<\/strong> (junto \u00e0 vitamina D)<\/p>\n<\/li>\n<li class=\"\" data-start=\"2764\" data-end=\"2833\">\n<p class=\"\" data-start=\"2766\" data-end=\"2833\">Previne <strong data-start=\"2774\" data-end=\"2791\">aterosclerose<\/strong> ao evitar o ac\u00famulo de c\u00e1lcio em art\u00e9rias<\/p>\n<\/li>\n<li class=\"\" data-start=\"2834\" data-end=\"2914\">\n<p class=\"\" data-start=\"2836\" data-end=\"2914\">Protege contra <strong data-start=\"2851\" data-end=\"2914\">doen\u00e7as cardiovasculares, osteoporose e s\u00edndrome metab\u00f3lica<\/strong><\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"2916\" data-end=\"2919\" \/>\n<p><strong><span style=\"color: #0000ff;\">\u27a4 Existem efeitos colaterais?<\/span><\/strong><\/p>\n<ul data-start=\"2955\" data-end=\"3046\">\n<li class=\"\" data-start=\"2955\" data-end=\"3046\">\n<p class=\"\" data-start=\"2957\" data-end=\"3046\">Nas doses recomendadas de <strong data-start=\"2983\" data-end=\"3003\">50 a 200 mcg\/dia<\/strong>, <strong data-start=\"3005\" data-end=\"3045\">n\u00e3o h\u00e1 efeitos colaterais conhecidos<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"3048\" data-end=\"3051\" \/>\n<p><strong><span style=\"color: #0000ff;\">\u27a4 Qual a dose di\u00e1ria recomendada?<\/span><\/strong><\/p>\n<ul data-start=\"3091\" data-end=\"3148\">\n<li class=\"\" data-start=\"3091\" data-end=\"3148\">\n<p class=\"\" data-start=\"3093\" data-end=\"3148\">Entre <strong data-start=\"3099\" data-end=\"3115\">50 a 200 mcg<\/strong>, conforme <strong data-start=\"3126\" data-end=\"3147\">orienta\u00e7\u00e3o m\u00e9dica<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<hr class=\"\" data-start=\"3150\" data-end=\"3153\" \/>\n<p><span style=\"color: #0000ff;\"><strong>\u27a4 Qual a diferen\u00e7a entre vitamina K1 e K2-MK7?<\/strong><\/span><\/p>\n<ul data-start=\"3206\" data-end=\"3432\">\n<li class=\"\" data-start=\"3206\" data-end=\"3318\">\n<p class=\"\" data-start=\"3208\" data-end=\"3318\"><strong data-start=\"3208\" data-end=\"3224\">Vitamina K1:<\/strong> Atua na <strong data-start=\"3233\" data-end=\"3257\">coagula\u00e7\u00e3o do sangue<\/strong>. Defici\u00eancia pode causar sangramentos (ex: nariz, gengivas).<\/p>\n<\/li>\n<li class=\"\" data-start=\"3319\" data-end=\"3432\">\n<p class=\"\" data-start=\"3321\" data-end=\"3432\"><strong data-start=\"3321\" data-end=\"3341\">Vitamina K2-MK7:<\/strong> Atua principalmente na <strong data-start=\"3365\" data-end=\"3397\">sa\u00fade \u00f3ssea e cardiovascular<\/strong>, <strong data-start=\"3399\" data-end=\"3431\">sem influ\u00eancia na coagula\u00e7\u00e3o<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p>________________________________________________________________________________<\/p>\n<table style=\"height: 367px;\" width=\"864\">\n<thead>\n<tr>\n<th>Caracter\u00edstica<\/th>\n<th><span style=\"color: #0000ff;\"><strong>Vitamina K1 (Filoquinona)<\/strong><\/span><\/th>\n<th><\/th>\n<th><strong><span style=\"color: #0000ff;\"> K2-MK7<\/span><\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Fonte principal<\/td>\n<td>Vegetais verdes<\/td>\n<td><\/td>\n<td>Fermentados (ex.: natto)<\/td>\n<\/tr>\n<tr>\n<td>Meia-vida<\/td>\n<td>Curta (horas)<\/td>\n<td><\/td>\n<td><strong>Longa (\u2248 72 h)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>A\u00e7\u00e3o predominante<\/td>\n<td>F\u00edgado \/ coagula\u00e7\u00e3o<\/td>\n<td><\/td>\n<td><strong>Ossos e vasos<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Ativa\u00e7\u00e3o de osteocalcina<\/td>\n<td>Baixa<\/td>\n<td><\/td>\n<td><strong>Alta<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Ativa\u00e7\u00e3o de MGP*<\/td>\n<td>Baixa<\/td>\n<td><\/td>\n<td><strong>Alta (efeito vascular)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Biodisponibilidade<\/td>\n<td>Boa (hep\u00e1tica)<\/td>\n<td><\/td>\n<td><strong>Excelente sist\u00eamica<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Evid\u00eancia cl\u00ednica \u00f3ssea<\/td>\n<td>Fraca<\/td>\n<td><\/td>\n<td><strong>Forte<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Evid\u00eancia cardiovascular<\/td>\n<td>N\u00e3o<\/td>\n<td><\/td>\n<td><strong>Consistente<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Uso cl\u00ednico mais comum<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<hr \/>\n<hr \/>\n<h2><strong>Refer\u00eancias:<\/strong><\/h2>\n<ul>\n<li data-start=\"485\" data-end=\"607\">\n<p data-start=\"488\" data-end=\"607\"><em data-start=\"488\" data-end=\"523\">The Ultimate Vitamin K2 Resource.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40316739\/\" target=\"_new\" rel=\"noopener\" data-start=\"539\" data-end=\"582\">https:\/\/pubmed.ncbi.nlm.nih.gov\/40316739\/<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"609\" data-end=\"893\">\n<p data-start=\"612\" data-end=\"893\">GELEIJNSE, J. M. et al. Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease. <em data-start=\"727\" data-end=\"776\">Nutrition, Metabolism &amp; Cardiovascular Diseases<\/em>, 2004. Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/www.nmcd-journal.com\/article\/S0939-4753(08)00209-3\/abstract\" target=\"_new\" rel=\"noopener\" data-start=\"799\" data-end=\"868\">https:\/\/www.nmcd-journal.com\/article\/S0939-4753(08)00209-3\/abstract<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"895\" data-end=\"1014\">\n<p data-start=\"898\" data-end=\"1014\"><em data-start=\"898\" data-end=\"927\">Vitamin K2 and bone health.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/28068285\" target=\"_new\" rel=\"noopener\" data-start=\"943\" data-end=\"989\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/28068285<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"1016\" data-end=\"1186\">\n<p data-start=\"1019\" data-end=\"1186\"><em data-start=\"1019\" data-end=\"1095\">A high menaquinone intake reduces the incidence of coronary heart disease.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"http:\/\/jn.nutrition.org\/content\/134\/11\/3100.long\" target=\"_new\" rel=\"noopener\" data-start=\"1111\" data-end=\"1161\">http:\/\/jn.nutrition.org\/content\/134\/11\/3100.long<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"1188\" data-end=\"1348\">\n<p data-start=\"1191\" data-end=\"1348\"><em data-start=\"1191\" data-end=\"1239\">Menaquinone supplementation effects on health.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0014299915302806\" target=\"_new\" rel=\"noopener\" data-start=\"1255\" data-end=\"1323\">http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0014299915302806<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"1350\" data-end=\"1500\">\n<p data-start=\"1353\" data-end=\"1500\"><em data-start=\"1353\" data-end=\"1404\">Vitamin K2: emerging health roles and mechanisms.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3161300\/\" target=\"_new\" rel=\"noopener\" data-start=\"1420\" data-end=\"1475\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3161300\/<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"1502\" data-end=\"1637\">\n<p data-start=\"1505\" data-end=\"1637\"><em data-start=\"1505\" data-end=\"1550\">Vitamin K2 status and chronic disease risk.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/25835288\" target=\"_new\" rel=\"noopener\" data-start=\"1566\" data-end=\"1612\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/25835288<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"1639\" data-end=\"1792\">\n<p data-start=\"1642\" data-end=\"1792\"><em data-start=\"1642\" data-end=\"1679\">Vitamin K and prostate cancer risk.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"http:\/\/www.urologiconcology.org\/article\/S1078-1439(16)30108-9\/abstract\" target=\"_new\" rel=\"noopener\" data-start=\"1695\" data-end=\"1767\">http:\/\/www.urologiconcology.org\/article\/S1078-1439(16)30108-9\/abstract<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"1794\" data-end=\"1959\">\n<p data-start=\"1797\" data-end=\"1959\"><em data-start=\"1797\" data-end=\"1856\">Vitamin K intake, bone mineral density and fracture risk.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"http:\/\/link.springer.com\/article\/10.1007%2Fs00198-014-2989-6\" target=\"_new\" rel=\"noopener\" data-start=\"1872\" data-end=\"1934\">http:\/\/link.springer.com\/article\/10.1007%2Fs00198-014-2989-6<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"1961\" data-end=\"2095\">\n<p data-start=\"1965\" data-end=\"2095\"><em data-start=\"1965\" data-end=\"1999\">Vitamin K2 and metabolic health.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4910597\/\" target=\"_new\" rel=\"noopener\" data-start=\"2015\" data-end=\"2070\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4910597\/<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"2097\" data-end=\"2263\">\n<p data-start=\"2101\" data-end=\"2263\"><em data-start=\"2101\" data-end=\"2160\">Vitamin K2 supplementation in joint and cartilage health.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"http:\/\/link.springer.com\/article\/10.1007%2Fs00167-012-2239-4\" target=\"_new\" rel=\"noopener\" data-start=\"2176\" data-end=\"2238\">http:\/\/link.springer.com\/article\/10.1007%2Fs00167-012-2239-4<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"2265\" data-end=\"2419\">\n<p data-start=\"2269\" data-end=\"2419\">SHEA, M. K. et al. Vitamin K and liver health. Dispon\u00edvel em: <a class=\"decorated-link\" href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/hep.24430\/abstract\" target=\"_new\" rel=\"noopener\" data-start=\"2331\" data-end=\"2394\">http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/hep.24430\/abstract<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"2421\" data-end=\"2614\">\n<p data-start=\"2425\" data-end=\"2614\"><em data-start=\"2425\" data-end=\"2474\">Bone quality and vitamin K2 in type 2 diabetes.<\/em> <em data-start=\"2475\" data-end=\"2495\">Nutrition Reviews.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/academic.oup.com\/nutritionreviews\/article-abstract\/69\/3\/162\/1843704\/\" target=\"_new\" rel=\"noopener\" data-start=\"2511\" data-end=\"2589\">https:\/\/academic.oup.com\/nutritionreviews\/article-abstract\/69\/3\/162\/1843704\/<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"2616\" data-end=\"2763\">\n<p data-start=\"2620\" data-end=\"2763\"><em data-start=\"2620\" data-end=\"2676\">Vitamin K2 supplementation and vascular calcification.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/28646812\" target=\"_new\" rel=\"noopener\" data-start=\"2692\" data-end=\"2738\">https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/28646812<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<li data-start=\"2765\" data-end=\"2910\">\n<p data-start=\"2769\" data-end=\"2910\"><em data-start=\"2769\" data-end=\"2826\">New insights on Vitamin K2 and cardiovascular outcomes.<\/em> Dispon\u00edvel em: <a class=\"decorated-link\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/39197463\/\" target=\"_new\" rel=\"noopener\" data-start=\"2842\" data-end=\"2885\">https:\/\/pubmed.ncbi.nlm.nih.gov\/39197463\/<\/a>. Acesso em: 7 dez. 2025.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>importancia da vitamina K2-mk7<\/p>\n","protected":false},"author":4,"featured_media":5552,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[3,650],"tags":[644,427,646,106,428,429,712,645],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Para que serve a Vitamina K2-MK7? - Dr. Roberto Franco do Amaral Neto<\/title>\n<meta name=\"description\" content=\"Vitamina K2-MK7: Novas descobertas e efeitos na sa\u00fade metab\u00f3lica, imunidade e \u00f3ssea que voc\u00ea precisa saber.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.robertofrancodoamaral.com.br\/blog\/vitamina-k2-mk7\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Para que serve a Vitamina K2-MK7? 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