why is vitamin k good for you

plays a key role in helping the, preventing excessive bleeding. Unlike many other, vitamin K is not typically used as a. Vitamin K is actually a group of compounds. The most important of these compounds appears to be vitamin K1 and vitamin K2. Vitamin K1 is obtained from leafy greens and some other vegetables. Vitamin K2 is a group of compounds largely obtained from meats, cheeses, and eggs, and synthesized by bacteria. Vitamin K1 is the main form of vitamin K supplement available in the U. S. Recently, some people have looked to vitamin K2 to treat
and steroid-induced, but the research is conflicting. At this point there is not enough data to recommend using vitamin K2 for. Why do people take vitamin K? Low levels of vitamin K can raise the risk of uncontrolled bleeding. While vitamin K deficiencies are rare in adults, they are very common in infants. A single injection of vitamin K for newborns is standard. Vitamin K is also used to counteract an overdose of the. While vitamin K deficiencies are uncommon, you may be at higher risk if you: Have a disease that affects absorption in the digestive tract, such as or active In these cases, a provider might suggest vitamin K. Uses of vitamin K for, for the symptoms of, for the removal of spider veins, and for other conditions are unproven.

What is vitamin K? Vitamin K is an umbrella term encompassing a group of chemically related fat-soluble compounds known as naphthoquinones. This group includes vitamins K, K1, K2, and K3. Vitamin K1 (phytonadione) is the natural form of vitamin K; it is found in plants and is the primary source of vitamin K that humans obtain through foods. Why is vitamin K necessary? Vitamin K is an essential nutrient necessary for responding to injuries - it regulates normal blood clotting. In addition, by assisting the transport of calcium throughout the body, Vitamin K may also be helpful for bone health: it may reduce bone loss, and decrease risk of bone fractures. It also may help to prevent calcification of arteries and other soft tissue. What are the signs of a deficiency? While rare, a deficiency in vitamin K can lead to defective blood clotting, increased bleeding and Symptoms include easy bruising, gastrointestinal bleeding, excessive menstrual bleeding and blood in the urine. Those most at risk for a vitamin K deficiency include people with chronic malnutrition, those with alcohol dependency, and anyone with health conditions that limit absorption of dietary vitamins. How much, and what kind, does an adult need?

Adults and children who eat a balanced diet that include the foods listed below will obtain enough vitamin K, and do not need supplementation. People who may benefit from supplemental vitamin K are babies (who usually get a shot of vitamin K at birth) and those with digestive diseases. How much does a child need? In an effort to prevent hemorrhagic disease of newborn, also known as vitamin K deficiency bleeding or VKDB, a vitamin K1 injection may be given to newborns and young infants. Otherwise, food sources should fill any daily needs. How do you get enough from foods? Vitamin K is abundant in green tea, leafy greens, such as Swiss chard, kale, and spinach, broccoli and cauliflower, Brussels sprouts, liver, soybean oil and wheat bran. Fermented dairy, including yogurt, cheeses, and fermented soy including miso and natto, provide K2, which is especially helpful in increasing bone density and reducing the risk of fractures. Those with osteoporosis or osteopenia should consider supplementing 50 to 100 mcg (micrograms) of K2, and eat foods rich in vitamin K. Are there any risks associated with too much vitamin K? While no known toxicity is associated with vitamin K, high doses may cause numbness or tingling in the extremities.

Are there any other special considerations? People taking prescription anticoagulants, which intentionally interfere with the role of vitamin K, need to monitor their dietary intake of vitamin K containing foods closely, and should never take supplemental vitamin K. Vitamin K supplementation during pregnancy (beyond normal dietary intake) may increase the risk of. Vitamin K ingested by breastfeeding mothers is generally considered safe. High doses of aspirin and quinine may increase vitamin K requirements; antacids may decrease absorption of vitamin K, and vitamin K may decrease the blood thinning effects of several herbs including alfalfa, American ginseng, anise, celery, chamomile, and red clover. Updated by: Andrew Weil, M. D. , and Brian Becker, M. D. , on January 10, 2013 advertisement Are you getting the supplements you need? Everyone's dietary needs are different based on a number of factors including lifestyle, diet, medications and more. To find out which supplements are right for you, take the. This 3-step questionnaire requires just minutes to complete, and generates a free, no-obligation vitamin and nutritional supplement recommendation that is personalized to meet your unique nutritional needs.

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