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Why do we need vitamin K? Vitamin K is one of the fat-soluble vitamins. It helps the body make proteins that are needed for normal blood clotting. Vitamin K is also needed for making important bone proteins. What happens if we don’t get enough vitamin K? When people don’t get enough vitamin K blood takes a long time to clot. This can cause excessive blood loss and increased risk of death from injuries. Vitamin K deficiency is rare in healthy adults. However, people with severe digestive disorders or on chronic antibiotic therapy may be at risk (1). Anticoagulant medications such as warfarin (Coumadin®) are prescribed to interfere with normal function of vitamin K in the body. Eating very large or very small amounts of vitamin K can change how these drugs work. If you take an anticoagulant, you should pay close attention to your intake of foods such as spinach and turnip greens that are very high in vitamin K, and ensure that your vitamin K intake is about the same from day to day. You should also consult your doctor before taking vitamin E supplements, or supplements such as ginkgo and garlic, as these may also affect blood clotting. How much vitamin K do we need? The table lists the recommended intakes for vitamin K (2). How can we get enough vitamin K? Vitamin K is mostly found in vegetables, especially green vegetables. Kale, collards, spinach, broccoli, and cabbage contain high amounts of vitamin K. Other sources are soybean oil, strawberries, and whole milk. Below are some foods and the amount of vitamin K they contain (3). We also get some vitamin K from the bacteria that normally live in our large intestine. Our resident bacteria make vitamin K and we are able to absorb some of it. Newborns have very little vitamin K in their bodies. They usually receive a shot of vitamin K soon after birth. This shot of vitamin K allows normal blood clotting to occur during the first weeks of life. What about supplements? Most people get plenty of vitamin K in their diet, so supplements are usually not needed. Water-soluble forms of the vitamin are manufactured and may be beneficial for people with problems in fat digestion and absorption. Multivitamin supplements are available with or without vitamin K. If you take an anti-coagulant, avoid supplements that contain vitamin K. It is not known how much vitamin K is too much. Research has not found problems from consuming high intakes of vitamin K from food or supplements, except for people who take anticoagulant medications. Learn More The Family and Consumer Sciences (FCS) agent at your county Extension office may have more written information and nutrition classes for you to attend. Also, a registered dietitian (RD) can provide you with reliable information. References Gropper, S. & Smith, J. (2008). Advanced nutrition and human metabolism (5th ed). Mason, OH: Cengage Learning. Food and Nutrition Board, Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc (2001). Washington, DC: National Academy Press. U.S. Department of Agriculture, Agricultural Research Service. National Nutrient Database for Standard Reference, Release 22. Nutrient Data Laboratory Home Page, http://www.ars.usda.gov/ba/bhnrc/ndl. This document is FCS8666, one of a series of the Department of Family, Youth and Community Sciences, UF/IFAS Extension. First published: June 2001. Revised: April 2006, October 2010 and December 2013. Please visit the EDIS website at http://edis.ifas.ufl.edu/. Elaine Turner, PhD, RD, professor, and Wendy J. Dahl, PhD, RD, assistant professor; Food Science and Human Nutrition Department, UF/IFAS Extension, Gainesville 32611. The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. U.S. Department of Agriculture, Cooperative Extension Service, University of Florida, IFAS, Florida A&M University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Nick T. Place, Dean.
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भिटामिन के (Vitamin K) को कमीले हुन सक्छ रक्तस्राव भिटामिन के (Vitamin K) मानव स्वास्थ्यको लागि महत्वपूर्ण औषधिको रूपमा मानिएको छ । हाम्रो शरीरमा यसको कमी भएमा सामान्य चोट लाग्दा पनि अनावश्यक रक्तस्राव हुने गर्दछ । यदि हाम्रो शरीरबाट बगेको रगत ब्लड क्लॉटिंग नभएमा बगि रहने हुन्छ । ब्लड बढी नबगोस भन्नाका लागि Vitamin K भिटामिनको आवश्यक हुन्छ । Vitamin K को अर्को सवैभन्दा ठूलो जोखिम भनेको आन्तरिक रक्तस्राव कहिले काही बाहिर बगेको रगत त हामी देख्छौं तर भित्र बगेको रगत देख्दैनौ यस्तो अवस्थामा हाम्रो शरीरलाई Vitamin K ले रगत जम्ने बाक्लो हुने हुनाले रक्तस्राव हुनबाट बचाउन ठूलो भूमिका निर्बाह गरेको हुन्छ । आजको लेखमा मैले Vitamin K बारे प्रकाश पार्नेछु । गर्भवती महिलामा यसको कमी भएमा पनि जोखिम हुन सक्छ । Vitamin K पाइने स्रोतबारे सबैले जान्न आवश्यक छ । हाम्रो करेसा बारीमा उत्पादन गर्न सकिने पत्ता गोभ, ब्रोकाउली, पालक, शलजम, चुकंदर दैनिक खानामा प्रयोग गर्न सके असमयमा हुने रक्तस्राप रोक्न ठूलो मद्दत गर्दछ । हाम्रो शरीरलाई दैनिक Vitamin K कति हुन्छ आवस्यक १. ०-६ महिनासम्म २ माइक्रोग्राम प्रतिदिन २. ७ देखि १२ महिनासम्म २.५ माइक्रोग्राम प्रतिदिन ३. १ देखि ३ बर्षको बच्चामा ३.० माइक्रोग्राम प्रतिदिन ४. ४ देखि ८ बर्षको बच्चामा ५५ माइक्रोग्राम प्रतिदिन ५.९ देखि १३ बर्षको उमेर सम्म ६० माइक्रोग्राम प्रतिदिन ६. १४ देखि १८ बर्षको उमेरमा ७५ माइक्रोग्राम प्रतिदिन ७. १९ देखि माथि ९० माइक्रोग्राम प्रतिदिन Vitamin K आवश्यक भएको हुन्छ । Vitamin K दुई प्रकारको हुन्छ १ । Vitamin K १ र २ । Vitamin K १ फल, साग सब्जीमा बढी पाइन्छ भने Vitamin K २ भने पशुको दूध र दूधबाट बनेका परिकारहरूमा पाइन्छ । नोट : आजकाल Vitamin K बनी बनाएको पनि पाइन्छ तर यसको कमीलाई करेसाबारीमा उत्पादन गरेका तरकारी नै बढी उपयोगी हुने हाम्रो ठहर छ । यो पनि पढनुहोस् छाती किन दुख्छ ? यस्तो छ यसको घरेलु उपचार *डा. राम बहादुर बोहरा नेपाल वैकल्पिक चिकित्सा विकास परिषद नवलपरासीको अध्यक्ष, बरिष्ट आयुर्वेद डाक्टर तथा साइन्स इन्फोटेकका सल्लाहकार हुनुहुन्छ ।