Properties and dosage
If not vitamin K, the wounds on the humanthe skin does not heal, and small abrasions turned into a serious blood loss. Through years of research and careful scientists were able to demonstrate key capabilities of vitamin K:
- stops bleeding;
- It contains amino acids, which are formed in the liver cells;
- It contributes to a better absorption of calcium;
- It has a neutralizing effect;
- It improves the exchange of protein compounds in the heart and lungs;
- due to the ability to synthesize protein phylloquinone provides energy to all cells.
The human body gets vitamin K from foodfood, small amounts of it accumulates in the liver, and exposure to sunlight and high temperatures indestructible. In turn, the absorption of the vitamin, which gets to us with food, promotes normal work of bodies such as the liver and gallbladder.
Natural and synthetic vitamin K (K3) formed as a result of laboratory experiments are not different from each other in their activity.
It should be noted that the entire group of vitaminsK1, or phylloquinone, and K2, also called menaquinone today two types are the most common. Synthesis K1 occurs in the leaves of plants, K2 - in humans and animals.
Excessive accumulation of the vitamin in the liver mayintoxication happen as a result of which damage healthy body cells, red blood cells and the brain. However, such a picture - rather the exception than the rule.
Certain doses of vitamin K, essentialperson for everyday use, is not established yet. Approximate amount thereof can be calculated from the ratio: 1 mg of vitamin per 1 kg of body weight. For example, if a person weighs 70 kg, then every 24 hours and it required the body 70 mcg vitamin K. food typically receives more than a little, but when this overdosage symptoms occurs.
The daily requirement for this vitamin:
- children 1 to 10 years - 70 mg;
- teenagers - 80 mg;
- women - 80 micrograms;
- male - 90 g;
- pregnant women - 120 mcg;
- lactation - 120 mg;
- people actively involved in sports - 140 mcg.
Often this is facilitated by such processes in the body:
- the formation of gallstones, liver disease, jaundice;
- colitis, Gastrointestinal disorders, changes pancreatic functions;
- long-term use antibioticsViolating the normal flora of the gastrointestinal tract;
- intravenous nutrition;
- treatment chemicals.
Signs of a lack of vitamin K:
- incessant bleeding due to any, even the most minor injuries;
- bleeding gums;
- a sharp decline in the level of hemoglobin;
- long and painful menstruation;
- violation of the digestive system;
- fatigue and weakness.
Phylloquinone disadvantage arises primarilywith unstable liver, bowel disease or resulting from surgery. Furthermore, depending on the type of heat treatment of certain foods, they contain vitamin may degrade. The presence of preservatives in food also violates the digestibility of the useful component.
No cases of overdose with this vitamin is not seen, but larger doses may be accompanied by side effects. Intravenous administration of vitamin K can sometimes cause symptoms such as:
- allergic shock;
- the blood becomes more viscous;
- level up cholesterol;
- excessive sweating and reddening of the skin;
- problems in fetal development during pregnancy.
Foods containing vitamin
Phylloquinone contain all green plants: leafy vegetables, cabbage. Also, soybean and olive oils, nuts, milk, fish fat and eggs.
Because today, few breeders canto provide their pets a diet rich in vitamin K, then we can say that the meat of this component contains negligible. And least of all - in fruits and root crops.
Here is a list of products with the highest content of vitamin K:
- cabbage and spinach - from 350 to 500 micrograms;
- broccoli, cabbage rose, valeryannitsa, watercress - from 200 to 230 mg;
- iceberg lettuce - 120 g;
- cauliflower, green beans, cucumbers - from 30 to 80 micrograms;
- tomatoes, eggs and meat - from 10 to 20 micrograms;
- veal, pork, lamb - 140 g;
- pork liver - up to 600 micrograms.
In order to prevent the occurrence of vitamin K deficiency, particularly when there is a risk of blood loss, doctors recommend taking small doses of K2 daily.
In particular, prior to preparation for surgery, withheavy menstrual bleeding, osteoporosis and bone fragility. In these cases, Vitamin K can be particularly useful, which is why it is often included in the composition of many drugs that promote the formation of bone, as this may exacerbate the condition of thrombosis.
The danger is that people who are prone to blood clots, not recommended to take vitamins synthetic chemist.
Interaction with different substances
Vitamin K is not invasive and does not prevent the absorption of different substances. It is perfectly compatible with products such as kefir, yogurt, fish oil.
But its absorption is directly influenced by:
- vitamin E in large quantities;
- various hypnotics;
- alcoholic substances;
- various soft drinks;
- foods high in preservatives;
- non-natural flavors;
- synthetic dyes in the composition of foods.
If your problem - it is reducedblood clotting, our site encourages first to review your daily diet. It is possible that it is present in the food, the inhibitory effect of phylloquinone.
Vitamin K - one of the components that we just need to get to the food, because the human body can not produce its own.
By following the rules of a healthy lifestyle and balanced diet, you can protect yourself from the problems associated with a deficiency of this incredibly useful component as vitamin K.