{"id":114309,"date":"2023-09-06T09:35:17","date_gmt":"2023-09-06T02:35:17","guid":{"rendered":"https:\/\/docoblogstg.wpengine.com\/?p=114309"},"modified":"2024-10-21T16:11:37","modified_gmt":"2024-10-21T09:11:37","slug":"vitamin-k","status":"publish","type":"post","link":"https:\/\/www.docosan.com\/blog\/dinh-duong\/vitamin-k\/","title":{"rendered":"Vitamin K l\u00e0 g\u00ec? Top 8 \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 Vitamin K"},"content":{"rendered":"\r\n
\"Vitamin\r\n
Vitamin K t\u01b0\u01a1ng t\u00e1c v\u1edbi Warfarin \u1edf m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng<\/em><\/em><\/figcaption>\r\n<\/figure>\r\n\r\n

Vitamin K l\u00e0 nguy\u00ean t\u1ed1 vi l\u01b0\u1ee3ng th\u01b0\u1eddng c\u00f3 s\u1eb5n trong c\u00e1c lo\u1ea1i th\u1ef1c ph\u1ea9m. N\u00f3 c\u1ea7n thi\u1ebft cho s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 t\u0103ng tr\u01b0\u1edfng b\u00ecnh th\u01b0\u1eddng c\u1ee7a con ng\u01b0\u1eddi. Thi\u1ebfu vitamin K r\u1ea5t hi\u1ebfm g\u1eb7p nh\u01b0ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u00f4ng m\u00e1u. V\u1eady vitamin K l\u00e0 g\u00ec v\u00e0 v\u00ec sao n\u00f3 l\u1ea1i c\u00f3 vai tr\u00f2 quan tr\u1ecdng nh\u01b0 v\u1eady, h\u00e3y c\u00f9ng Doctor c\u00f3 s\u1eb5n t\u00ecm hi\u1ec3u th\u00f4ng qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\r\n\r\n\r\n\r\n

\"Vitamin<\/figure>\r\n\r\n\r\n\r\n

Vitamin K l\u00e0 g\u00ec?<\/h2>\r\n\r\n\r\n\r\n

Vitamin K \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n l\u1ea7n \u0111\u1ea7u b\u1edfi Henrik Dam v\u00e0o n\u0103m 1929. Sau khi kh\u00e1m ph\u00e1 ra b\u1ea3n ch\u1ea5t c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc, lo\u1ea1i vitamin n\u00e0y \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 K (Koagulationsvitamin).<\/p>\r\n\r\n\r\n\r\n

Vitamin K l\u00e0 t\u00ean g\u1ecdi chung c\u1ee7a m\u1ed9t nh\u00f3m h\u1ee3p ch\u1ea5t c\u00f3 c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc chung l\u00e0 2-methyl-1,4-naphthoquinone. Vitamin K thu\u1ed9c nh\u00f3m tan trong d\u1ea7u v\u00e0 hi\u1ec7n di\u1ec7n trong m\u1ed9t s\u1ed1 th\u1ef1c ph\u1ea9m ho\u1eb7c c\u00f3 s\u1eb5n d\u01b0\u1edbi d\u1ea1ng th\u1ef1c ph\u1ea9m b\u1ed5 sung.<\/p>\r\n\r\n\r\n\r\n

C\u00e1c d\u1ea1ng vitamin t\u1ef1 nhi\u00ean bao g\u1ed3m vitamin K1 v\u00e0 vitamin K2. Vitamin K1 hay phylloquinone c\u00f3 trong th\u1ef1c v\u1eadt v\u00e0 l\u00e0 d\u1ea1ng chi\u1ebfm ph\u1ea7n l\u1edbn trong ch\u1ebf \u0111\u1ed9 \u0103n h\u00e0ng ng\u00e0y.Vitamin K2 bao g\u1ed3m m\u1ed9t nh\u00f3m vitamin K c\u00f3 c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 menaquinone<\/a>, ch\u00fang \u0111a ph\u1ea7n \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1edfi h\u1ec7 vi sinh v\u1eadt \u0111\u01b0\u1eddng ru\u1ed9t \u1edf ng\u01b0\u1eddi v\u00e0 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c lo\u1ea1i th\u1ef1c ph\u1ea9m l\u00ean men v\u00e0 trong th\u1ecbt \u0111\u1ed9ng v\u1eadt. Menadione hay vitamin K3 l\u00e0 m\u1ed9t d\u1ea1ng vitamin K t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong ch\u0103n nu\u00f4i, khi \u0111\u00f3 n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh d\u1ea1ng ho\u1ea1t \u0111\u00f4ng l\u00e0 menaquinone-4.<\/p>\r\n\r\n\r\n\r\n

Gi\u1ed1ng nh\u01b0 lipid v\u00e0 c\u00e1c vitamin tan trong ch\u1ea5t b\u00e9o kh\u00e1c, vitamin K \u0103n v\u00e0o \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00e1c mixen h\u1ed7n h\u1ee3p th\u00f4ng qua ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1eadt v\u00e0 enzyme tuy\u1ebfn t\u1ee5y, v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 b\u1edfi c\u00e1c t\u1ebf b\u00e0o ru\u1ed9t c\u1ee7a ru\u1ed9t non. T\u1eeb \u0111\u00f3, vitamin K \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o chylomicron, ti\u1ebft v\u00e0o mao m\u1ea1ch b\u1ea1ch huy\u1ebft, v\u1eadn chuy\u1ec3n \u0111\u1ebfn gan v\u00e0 \u0111\u00f3ng g\u00f3i l\u1ea1i th\u00e0nh c\u00e1c lipoprotein m\u1eadt \u0111\u1ed9 r\u1ea5t th\u1ea5p. Vitamin K c\u00f3 trong gan v\u00e0 c\u00e1c m\u00f4 c\u01a1 th\u1ec3 kh\u00e1c, bao g\u1ed3m n\u00e3o, tim, tuy\u1ebfn t\u1ee5y v\u00e0 x\u01b0\u01a1ng.<\/p>\r\n\r\n\r\n\r\n

Trong tu\u1ea7n ho\u00e0n, m\u1ed9t l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf vitamin K l\u01b0u th\u00f4ng trong m\u00e1u. Vitamin K \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a v\u00e0 b\u00e0i ti\u1ebft nhanh ch\u00f3ng. S\u1ef1 trao \u0111\u1ed5i ch\u1ea5t nhanh ch\u00f3ng n\u00e0y khi\u1ebfn l\u01b0\u1ee3ng vitamin K trong m\u00e1u v\u00e0 l\u01b0\u1ee3ng d\u1ef1 tr\u1eef trong m\u00f4 t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p so v\u1edbi c\u00e1c vitamin tan trong ch\u1ea5t b\u00e9o kh\u00e1c.<\/p>\r\n\r\n\r\n\r\n

\"C\u00f4ng\r\n
C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc chung c\u1ee7a vitamin K<\/em><\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n

Vai tr\u00f2 c\u1ee7a vitamin K \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe<\/h2>\r\n\r\n\r\n\r\n

Vai tr\u00f2 \u0111\u00f4ng m\u00e1u<\/h3>\r\n\r\n\r\n\r\n

Vitamin K c\u00f3 ch\u1ee9c n\u0103ng nh\u01b0 m\u1ed9t coenzym cho carboxylase ph\u1ee5 thu\u1ed9c vitamin K – m\u1ed9t lo\u1ea1i enzyme c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p protein li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh c\u1ea7m m\u00e1u (\u0111\u00f4ng m\u00e1u) v\u00e0 chuy\u1ec3n h\u00f3a x\u01b0\u01a1ng c\u0169ng nh\u01b0 c\u00e1c ch\u1ee9c n\u0103ng sinh l\u00fd \u0111a d\u1ea1ng kh\u00e1c. Prothrombin (y\u1ebfu t\u1ed1 \u0111\u00f4ng m\u00e1u II) l\u00e0 m\u1ed9t protein ph\u1ee5 thu\u1ed9c vitamin K trong huy\u1ebft t\u01b0\u01a1ng c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u00f4ng m\u00e1u.<\/p>\r\n\r\n\r\n\r\n

Warfarin v\u00e0 m\u1ed9t s\u1ed1 thu\u1ed1c ch\u1ed1ng \u0111\u00f4ng m\u00e1u c\u00f3 t\u00e1c d\u1ee5ng \u0111\u1ed1i kh\u00e1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vitamin K. V\u00ec l\u00fd do n\u00e0y, nh\u1eefng ng\u01b0\u1eddi \u0111ang d\u00f9ng thu\u1ed1c ch\u1ed1ng \u0111\u00f4ng m\u00e1u n\u00e0y c\u1ea7n duy tr\u00ec l\u01b0\u1ee3ng vitamin K b\u1ed5 sung h\u1eb1ng ng\u00e0y.<\/p>\r\n\r\n\r\n\r\n

Vai tr\u00f2 \u0111\u1ed1i v\u1edbi h\u1ec7 tim m\u1ea1ch<\/h3>\r\n\r\n\r\n\r\n

V\u00f4i h\u00f3a m\u1ea1ch m\u00e1u l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 nguy c\u01a1 c\u1ee7a b\u1ec7nh tim m\u1ea1ch v\u00e0nh l\u00e0m gi\u1ea3m \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a \u0111\u1ed9ng m\u1ea1ch. Matrix Gla-protein (MGP) l\u00e0 m\u1ed9t protein ph\u1ee5 thu\u1ed9c vitamin K c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 ng\u0103n ng\u1eeba x\u01a1 v\u1eefa m\u1ea1ch m\u00e1u.<\/p>\r\n\r\n\r\n\r\n

M\u1eb7c d\u00f9 ch\u1ee9c n\u0103ng sinh h\u1ecdc \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a MGP v\u1eabn ch\u01b0a r\u00f5 r\u00e0ng, nh\u01b0ng m\u1ed9t gi\u1ea3 thuy\u1ebft d\u1ef1a tr\u00ean d\u1eef li\u1ec7u tr\u00ean \u0111\u1ed9ng v\u1eadt cho th\u1ea5y t\u00ecnh tr\u1ea1ng thi\u1ebfu vitamin K d\u1eabn \u0111\u1ebfn MGP b\u1ecb thi\u1ebfu carboxyl h\u00f3a, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng x\u01a1 v\u1eefa \u0111\u1ed9ng m\u1ea1ch v\u00e0 t\u0103ng nguy c\u01a1 m\u1eafc b\u1ec7nh tim m\u1ea1ch v\u00e0nh.\u00a0<\/p>\r\n\r\n\r\n\r\n

Vai tr\u00f2 \u0111\u1ed1i v\u1edbi x\u01b0\u01a1ng kh\u1edbp<\/h3>\r\n\r\n\r\n\r\n

Lo\u00e3ng x\u01b0\u01a1ng, m\u1ed9t ch\u1ee9ng r\u1ed1i lo\u1ea1n \u0111\u1eb7c tr\u01b0ng b\u1edfi t\u00ecnh tr\u1ea1ng x\u01b0\u01a1ng x\u1ed1p v\u00e0 d\u1ec5 g\u00e3y, l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe c\u1ed9ng Vitamin K l\u00e0 m\u1ed9t d\u1ea1ng coenzym tham gia v\u00e0o qu\u00e1 tr\u00ecnh carboxyl h\u00f3a gamma c\u1ee7a nhi\u1ec1u protein, trong \u0111\u00f3 c\u00f3 osteocalcin – m\u1ed9t trong nh\u1eefng protein ch\u00ednh c\u1ee7a x\u01b0\u01a1ng. M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng<\/a> n\u1ed3ng \u0111\u1ed9 osteocalcin \u0111\u01b0\u1ee3c carboxyl h\u00f3a th\u1ea5p trong huy\u1ebft thanh c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 kho\u00e1ng trong x\u01b0\u01a1ng v\u00e0 l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 g\u00e3y x\u01b0\u01a1ng v\u00e0 t\u00ecnh tr\u1ea1ng n\u00e0y \u0111a ph\u1ea7n x\u1ea3y ra \u1edf ph\u1ee5 n\u1eef.<\/p>\r\n\r\n\r\n\r\n

T\u01af V\u1ea4N KH\u00c1M DINH D\u01af\u1ee0NG<\/a><\/div>\r\n\r\n\r\n\r\n
\"Vitamin\r\n
Vitamin K tham gia v\u00e0o qu\u00e1 tr\u00ecnh \u0111\u00f4ng m\u00e1u<\/em><\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n

Nhu c\u1ea7u vitamin K h\u00e0ng ng\u00e0y<\/h2>\r\n\r\n\r\n\r\n

L\u01b0\u1ee3ng vitamin K c\u1ea7n b\u1ed5 sung t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 tu\u1ed5i v\u00e0 gi\u1edbi t\u00ednh c\u1ee7a m\u1ed7i ng\u01b0\u1eddi. L\u01b0\u1ee3ng khuy\u1ebfn ngh\u1ecb trung b\u00ecnh h\u00e0ng ng\u00e0y \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y t\u00ednh b\u1eb1ng microgam (mcg).<\/p>\r\n\r\n\r\n\r\n

\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\u0110\u1ed9 tu\u1ed5i<\/strong><\/td>\r\nL\u01b0\u1ee3ng c\u1ea7n b\u1ed5 sung h\u00e0ng ng\u00e0y (mcg)<\/strong><\/td>\r\n<\/tr>\r\n
S\u01a1 sinh \u2013 6 th\u00e1ng<\/td>\r\n2,0<\/td>\r\n<\/tr>\r\n
7\u201312 th\u00e1ng<\/td>\r\n2,5<\/td>\r\n<\/tr>\r\n
1\u20133 n\u0103m<\/td>\r\n30<\/td>\r\n<\/tr>\r\n
4\u20138 n\u0103m<\/td>\r\n55<\/td>\r\n<\/tr>\r\n
9\u201313 tu\u1ed5i<\/td>\r\n60<\/td>\r\n<\/tr>\r\n
14\u201318 tu\u1ed5i<\/td>\r\n75<\/td>\r\n<\/tr>\r\n
Nam gi\u1edbi tr\u01b0\u1edfng th\u00e0nh t\u1eeb 19 tu\u1ed5i tr\u1edf l\u00ean<\/td>\r\n120<\/td>\r\n<\/tr>\r\n
Ph\u1ee5 n\u1eef tr\u01b0\u1edfng th\u00e0nh t\u1eeb 19 tu\u1ed5i tr\u1edf l\u00ean<\/td>\r\n90<\/td>\r\n<\/tr>\r\n
Thanh thi\u1ebfu ni\u00ean \u0111ang mang thai ho\u1eb7c \u0111ang cho con b\u00fa<\/td>\r\n75<\/td>\r\n<\/tr>\r\n
Ph\u1ee5 n\u1eef mang thai ho\u1eb7c \u0111ang cho con b\u00fa<\/td>\r\n90<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n
\"Nhu\r\n
Nhu c\u1ea7u vitamin K h\u00e0ng ng\u00e0y<\/em><\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n

D\u1ea5u hi\u1ec7u c\u1ee7a ng\u01b0\u1eddi thi\u1ebfu vitamin K<\/h2>\r\n\r\n\r\n\r\n

Thi\u1ebfu vitamin K ch\u1ec9 \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 \u00fd ngh\u0129a l\u00e2m s\u00e0ng khi th\u1eddi gian \u0111\u00f4ng m\u00e1u t\u0103ng \u0111\u00e1ng k\u1ec3 do ho\u1ea1t \u0111\u1ed9ng prothrombin trong m\u00e1u gi\u1ea3m. V\u00ec v\u1eady, ch\u1ea3y m\u00e1u v\u00e0 xu\u1ea5t huy\u1ebft l\u00e0 d\u1ea5u hi\u1ec7u kinh \u0111i\u1ec3n c\u1ee7a t\u00ecnh tr\u1ea1ng thi\u1ebfu vitamin K, m\u1eb7c d\u00f9 nh\u1eefng t\u00e1c \u0111\u1ed9ng n\u00e0y ch\u1ec9 x\u1ea3y ra trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p thi\u1ebfu vitamin K nghi\u00eam tr\u1ecdng.<\/p>\r\n\r\n\r\n\r\n

M\u1eb7t kh\u00e1c, vitamin K c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh carboxyl h\u00f3a osteocalcin trong x\u01b0\u01a1ng n\u00ean thi\u1ebfu vitamin K c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m qu\u00e1 tr\u00ecnh kho\u00e1ng h\u00f3a x\u01b0\u01a1ng v\u00e0 g\u00f3p ph\u1ea7n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng lo\u00e3ng x\u01b0\u01a1ng.<\/p>\r\n\r\n\r\n\r\n

\"Ng\u01b0\u1eddi\r\n
Ng\u01b0\u1eddi thi\u1ebfu vitamin K th\u01b0\u1eddng c\u00f3 bi\u1ec3u hi\u1ec7n ch\u1ea3y m\u00e1u<\/em><\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n

\u0110\u1ed1i t\u01b0\u1ee3ng c\u00f3 nguy c\u01a1 thi\u1ebfu vitamin K<\/h2>\r\n\r\n\r\n\r\n

Thi\u1ebfu vitamin K c\u00f3 th\u1ec3 x\u1ea3y ra trong v\u00e0i tu\u1ea7n \u0111\u1ea7u ti\u00ean c\u1ee7a tr\u1ebb s\u01a1 sinh do kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n phylloquinone qua nhau thai th\u1ea5p, n\u1ed3ng \u0111\u1ed9 y\u1ebfu t\u1ed1 \u0111\u00f4ng m\u00e1u th\u1ea5p v\u00e0 h\u00e0m l\u01b0\u1ee3ng vitamin K trong s\u1eefa m\u1eb9 th\u1ea5p. T\u00ecnh tr\u1ea1ng thi\u1ebfu vitamin K \u0111\u00e1ng k\u1ec3 v\u1ec1 m\u1eb7t l\u00e2m s\u00e0ng \u1edf ng\u01b0\u1eddi l\u1edbn l\u00e0 r\u1ea5t hi\u1ebfm v\u00e0 th\u01b0\u1eddng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf nh\u1eefng ng\u01b0\u1eddi b\u1ecb r\u1ed1i lo\u1ea1n k\u00e9m h\u1ea5p thu ho\u1eb7c nh\u1eefng ng\u01b0\u1eddi d\u00f9ng thu\u1ed1c c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a vitamin K.<\/p>\r\n\r\n\r\n\r\n

Tr\u1ebb s\u01a1 sinh\u00a0<\/h3>\r\n\r\n\r\n\r\n

Qu\u00e1 tr\u00ecnh chuy\u1ec3n vitamin-K qua nhau thai k\u00e9m s\u1ebd l\u00e0m t\u0103ng nguy c\u01a1 thi\u1ebfu vitamin K \u1edf tr\u1ebb s\u01a1 sinh. Tr\u1ebb trong v\u00e0i tu\u1ea7n tu\u1ed5i \u0111\u1ea7u b\u1ecb thi\u1ebfu vitamin K c\u00f3 th\u1ec3 g\u00e2y xu\u1ea5t huy\u1ebft – m\u1ed9t t\u00ecnh tr\u1ea1ng b\u1ec7nh tr\u01b0\u1edbc \u0111\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “b\u1ec7nh xu\u1ea5t huy\u1ebft c\u1ed5 \u0111i\u1ec3n \u1edf tr\u1ebb s\u01a1 sinh”. B\u1ec7nh n\u00e0y c\u00f3 khi\u1ebfn tr\u1ebb ch\u1ea3y m\u00e1u \u1edf r\u1ed1n, \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, da, m\u0169i v\u00e0 c\u00e1c v\u1ecb tr\u00ed kh\u00e1c.<\/p>\r\n\r\n\r\n\r\n

Ng\u01b0\u1eddi b\u1ecb r\u1ed1i lo\u1ea1n k\u00e9m h\u1ea5p thu<\/h3>\r\n\r\n\r\n\r\n

Nh\u1eefng ng\u01b0\u1eddi m\u1eafc h\u1ed9i ch\u1ee9ng k\u00e9m h\u1ea5p thu v\u00e0 c\u00e1c r\u1ed1i lo\u1ea1n ti\u00eau h\u00f3a<\/a> kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u01a1 nang, b\u1ec7nh celiac, vi\u00eam lo\u00e9t \u0111\u1ea1i tr\u00e0ng v\u00e0 h\u1ed9i ch\u1ee9ng ru\u1ed9t ng\u1eafn, c\u00f3 th\u1ec3 kh\u00f4ng h\u1ea5p th\u1ee5 vitamin K \u0111\u00fang c\u00e1ch.<\/p>\r\n\r\n\r\n\r\n

T\u00ecnh tr\u1ea1ng thi\u1ebfu vitamin K c\u0169ng c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf ng\u01b0\u1eddi d\u00f9ng thu\u1ed1c ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a vitamin K nh\u01b0 thu\u1ed1c kh\u00e1ng sinh ho\u1eb7c nh\u1eefng b\u1ec7nh nh\u00e2n \u0111\u00e3 tr\u1ea3i qua ph\u1eabu thu\u1eadt gi\u1ea3m b\u00e9o, m\u1eb7c d\u00f9 kh\u00f4ng xu\u1ea5t hi\u1ec7n c\u00e1c d\u1ea5u hi\u1ec7u l\u00e2m s\u00e0ng. Nh\u1eefng ng\u01b0\u1eddi n\u00e0y c\u00f3 th\u1ec3 c\u1ea7n theo d\u00f5i t\u00ecnh tr\u1ea1ng vitamin K v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u1ea7n b\u1ed5 sung vitamin K.<\/p>\r\n\r\n\r\n\r\n

\u0110\u1eb6T L\u1ecaCH KH\u00c1M DINH D\u01af\u1ee0NG<\/a><\/div>\r\n\r\n\r\n\r\n
\"Ng\u01b0\u1eddi\r\n
Ng\u01b0\u1eddi b\u1ecb r\u1ed1i lo\u1ea1n k\u00e9m h\u1ea5p thu c\u00f3 nguy c\u01a1 b\u1ecb thi\u1ebfu vitamin K<\/em><\/figcaption>\r\n<\/figure>\r\n\r\n\r\n\r\n

Vitamin K t\u1eeb th\u1ef1c ph\u1ea9m ch\u1ee9c n\u0103ng v\u00e0 thu\u1ed1c<\/h2>\r\n\r\n\r\n\r\n

C\u00e1c d\u1ea1ng b\u00e0o ch\u1ebf c\u1ee7a vitamin K<\/h3>\r\n\r\n\r\n\r\n

Vitamin K c\u00f3 trong h\u1ea7u h\u1ebft c\u00e1c th\u1ef1c ph\u1ea9m b\u1ed5 sung vitamin t\u1ed5ng h\u1ee3p. N\u00f3 c\u0169ng c\u00f3 s\u1eb5n trong c\u00e1c th\u1ef1c ph\u1ea9m ch\u1ee9c n\u0103ng ch\u1ec9 ch\u1ee9a vitamin K ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 ch\u1ea5t dinh d\u01b0\u1ee1ng kh\u00e1c, th\u01b0\u1eddng l\u00e0 canxi, magi\u00ea v\u00e0\/ho\u1eb7c vitamin D<\/a>, nh\u1eefng lo\u1ea1i n\u00e0y c\u00f3 ph\u1ea1m vi li\u1ec1u vitamin K r\u1ed9ng h\u01a1n so v\u1edbi d\u1ea1ng b\u1ed5 sung vitamin d\u1ea1ng t\u1ed5ng h\u1ee3p.<\/p>\r\n\r\n\r\n\r\n

C\u00e1c d\u1ea1ng vitamin ph\u1ed5 bi\u1ebfn trong th\u1ef1c ph\u1ea9m b\u1ed5 sung l\u00e0 vitamin K1 d\u01b0\u1edbi d\u1ea1ng phylloquinone ho\u1eb7c phytonadione (d\u1ea1ng t\u1ed5ng h\u1ee3p c\u1ee7a vitamin K1) v\u00e0 vitamin K2 d\u01b0\u1edbi d\u1ea1ng menaquinone-4 v\u00e0 menaquinone-7.<\/p>\r\n\r\n\r\n\r\n

Menadione hay vitamin K3, l\u00e0 m\u1ed9t d\u1ea1ng vitamin K t\u1ed5ng h\u1ee3p kh\u00e1c. N\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 g\u00e2y t\u1ed5n h\u1ea1i t\u1ebf b\u00e0o gan trong c\u00e1c nghi\u00ean c\u1ee9u trong ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong nh\u1eefng n\u0103m 1980 v\u00e0 1990, v\u00ec v\u1eady n\u00f3 kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u1ef1c ph\u1ea9m b\u1ed5 sung.\u00a0<\/p>\r\n\r\n\r\n\r\n

Li\u1ec1u d\u00f9ng vitamin K<\/h3>\r\n\r\n\r\n\r\n

Li\u1ec1u vitamin K kh\u00e1c nhau t\u00f9y t\u1eebng \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ec7nh nh\u00e2n kh\u00e1c nhau. B\u1ea1n c\u1ea7n tham kh\u1ea3o \u00fd ki\u1ebfn b\u00e1c s\u0129 tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng thu\u1ed1c ho\u1eb7c thay \u0111\u1ed5i li\u1ec1u d\u00f9ng.<\/p>\r\n\r\n\r\n\r\n

Menadiol<\/strong><\/p>\r\n\r\n\r\n\r\n

Vitamin K d\u1ea1ng u\u1ed1ng (vi\u00ean): Ng\u01b0\u1eddi l\u1edbn v\u00e0 tr\u1ebb em Li\u1ec1u d\u00f9ng th\u00f4ng th\u01b0\u1eddng l\u00e0 5 \u0111\u1ebfn 10 miligam (mg) m\u1ed7i ng\u00e0y.<\/p>\r\n\r\n\r\n\r\n

Vitamin K d\u1ea1ng thu\u1ed1c ti\u00eam:<\/p>\r\n\r\n\r\n\r\n