Vitamin K - function , use , indications, sources


1. role of vitamin K for the body

2. Vitamin K: Indications for use of additional

3. Lack of vitamin in the body

4. Excess vitaminbody

5. daily requirement

6. Where contain vitamin K?

7. Interaction

Vitamin K - Antihemorrhagic antioxidant and fat-soluble vitamin.He is actively involved in the process of blood coagulation, preventing bleeding and hemorrhage.This vitamin is not only comes into contact with the food, but also partly formed therein through intestinal microbial activity.

role of vitamin K for the body

In nature, this vitamin is presented in two forms: vegetative phylloquinone (K1) and bacterial menaquinone (K2).

The main function of vitamin K in the body is to ensure proper blood clotting.It completely controls this process, stopping bleeding and ensuring rapid healing of wounds.In addition, vitamin increases the strength of the vessel walls.This is important, especially for athletes, because thanks to him, amplified muscle contraction, and re

duced risk of blood loss in trauma.Lack of this vitamin promotes the development of hemorrhagic disease.

Vitamin K is also essential for the formation and repair of bones.By providing a synthesis of bone protein, which subsequently crystallized calcium, it prevents the development of osteoporosis and helps regulate the redox processes in the body.

As part of the cell membrane, this vitamin is involved in the formation of the main sources of energy in the body, normalizes the functioning of the muscles and motor function of the digestive tract, it helps prevent the formation of kidney stones.The use of vitamin K are often prescribed to pregnant women to prevent fetal death from excessive bleeding.

When injected into the human body spoiled food they contain toxins harmful to the liver.Vitamin K neutralize destructive effect of aflatoxins, coumarin and other toxic substances that accumulate in the body.

Vitamin K: Indications for use of additional

additional use of vitamin K is justified for any injuries and wounds, bleeding, peptic ulcer disease and radiation.

In addition, indications for vitamin K may be the following ailments:

  • chronic liver disease;
  • hardening of the arteries;
  • inflammatory bowel disease;
  • cystic fibrosis;
  • pancreatic cancer;
  • kidney stones;
  • liver cancer;
  • osteoporosis or osteopenia;
  • nausea and vomiting during pregnancy.

Supplementing with vitamin K is shown to babies to prevent the development of symptoms of deficiency.

Lack of vitamin in the body

Under normal conditions, the development of vitamin K deficiency is practically impossible, as intestinal bacteria in the human body is constantly produce it in small quantities.

Hypovitaminosis may occur in the following cases:

  • with a lack of bile acids involved in the assimilation of fat-soluble vitamins (with the liver or biliary tract disease);
  • for intestinal dysbiosis (after antibiotic treatment and sulfonamides);
  • for poisoning coumarin anticoagulants, or third-generation cephalosporins.

Newborn babies who are breastfed are at risk to acquire deficiency of this vitamin, since the mother's milk contains insufficient quantities, and intestinal flora in infants is still unable to produce this vitamin independently.In this regard, the 2-4 day baby life he may experience bleeding from umbilical residue metrorrhagia, melena, and in some cases - of hemorrhage in the liver, lungs, adrenal glands and brain.

Typically, vitamin K deficiency is accompanied by symptoms related to problems with blood clotting.These symptoms can also be added in the gastrointestinal tract bleeding, minor bruising, bleeding gums, heavy menstrual bleeding, anemia, bleeding from the nose and the presence of blood in urine.Hedgehog

one set of problems associated with lack of vitamin K in the body, manifested by symptoms such as osteoporosis (reduction of bone density), osteopenia (bone loss) and fractures.

excess vitamin in the body

Even with excessive use of vitamin K unwanted side reactions of the body is extremely rare.His reception in synthetic forms can lead to hemolytic anemia, increased bilirubin in the blood, yellowing of the skin and whites of the eyes.

daily requirement

daily need for this vitamin in adults is not precisely defined.Tentatively it is from 60 to 140 micrograms.The daily amount of vitamin needed to prevent the development of the deficit can be calculated as follows: 1 mg per kilogram of body weight.Where

contain vitamin K?

Green leafy vegetables are the most rich in vitamin K, which contains 50-800 micrograms of vitamin per 100 grams of product.We can say that this vitamin is found in all green plants.Especially a lot of it in alfalfa, green tea, kelp, green tomatoes, any cabbage, spinach leaves, nettle, rose hips, raspberries, linden, birch and goutweed.Also in this vitamin have casein, porcine liver, eggs, soy oil, and walnuts.

Since vitamin K refers to the fat-soluble vitamins, to assimilate it is necessary that the intestine was a little fat.

Typically, vitamin well maintained during storage and processing of products.Freezing, storage and thermal processing of fruits and vegetables, which contain vitamin the K, it does not cause a significant loss.


Daily use of vitamin E in large doses (more than 2,200 IU per day) reduces the absorption of vitamin K in the gastrointestinal tract.

Excessive calcium intake may adversely affect the synthesis of vitamin, impair its absorption and trigger the development of internal bleeding.

level of this vitamin in the body is able to fall under the influence of antibiotics, barbiturates, alcohol, fizzy drinks, flavorings, colorings and preservatives.

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