On one day, you or your child fall from a bicycle, and the calf get an injury that causes blood dripping. Wound is usually cleaned using a cotton with a little pressure on the wound. Later, the blood stops dripping and wound is closed using tape so that you or your child can play a bike again. What makes blood stops dripping with itself so you do not have to bother about it? That’s where the role of vitamin K will be useful on something like a cut above. This vitamin is a vital requirement for the synthesis of several proteins including blood clotting. Also called coagulation vitamin, this vitamin in charge of guarding blood flow consistency and freeze when needed. Fat soluble vitamin also plays an important role in bone formation and maintenance of the kidney.

Types Of Vitamin K
Vitamin K is found in three different forms. First is vitamin K1 or phylloquinone, which is kind of found and produced by plants. Second is the K2, or menaquinone are also called, prepared by the beneficial bacteria in the digestive systems. And third is K3 or menadione is a vitamin made for those who are unable to absorb from food. The entire vitamin K in your body is processed in the liver which will be used to produce substances that can make your blood freeze. Besides a role in coagulation, this vitamin is also essential for bone formation, especially species K1. Vitamin K1 was required for the absorption of calcium for bones to be the maximum and make sure no one target.

How much is it needed ?
According to standard of RDA (Recommended Dietary Allowance), vitamin K person’s need depends on the weight. For adults, at least take 1 microgram per day per kg of body weight. So, if you weigh 50 kg then need to reach 50 micrograms per day.

Source of vitamin K
To meet the needs of vitamin K is quite easy because in addition to relatively small numbers, our digestive systems contain bacteria that can synthesize vitamin K, which partially absorbed and stored in the liver. But as soon as the body needs to get more vitamin K from food. Most sources of vitamin K in the body is synthesized by bacteria in the digestive system, but you can get vitamin K from foods such as liver, green leafy vegetables similar cabbage and milk.
Vitamin K in high concentrations are also found in soy milk, green tea, cow milk, and beef and liver. The types of probiotic foods, like yogurt that contains active healthy bacteria, can help stimulate the production of this vitamin.

Deficiency Symptoms
If vitamin K is not contained in the body, blood cannot be frozen. This may mislead bleeding or hemorrhagic. However, vitamin K deficiency is rare because almost all of people acquire and bacteria in the intestines from food. But the shortage may occur in infants because their digestive systems are sterile and do not contain bacteria that can synthesize vitamin K, breast milk contains only small amounts of vitamin K. So, baby is given a number of vitamin K at birth.
In adults, deficiency can occur due to lack of consumption of vegetables or taking too long antobiotik. Antibiotics can kill beneficial bacteria in the gut that produces vitamin K. Sometimes vitamin K deficiency caused by liver disease or digestive problems.

Poisoning
You also may experience toxicity of vitamin K. This occurs only in people who received vitamin K replacement water soluble. The symptoms are hemolysis (destruction of red blood cells), jaundice and brain damage.