Vitamin K2 - characteristics, effects, application, occurrence

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Vitamin K is commonly identified with the process of blood clotting, and its deficiency can lead to dangerous bleedings. However, these functions are related to one of the forms of this vitamin, namely K1. There is a lesser-known variant, namely vitamin K2, whose significance is of utmost importance in the prevention of atherosclerosis and osteoporosis, which we will discuss in detail in this article.

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Vitamin K2 – its role and action in the human body

Vitamin K2 essentially has nothing to do with blood clotting. There are two types of Vitamin K2, MK4 and MK7, which are responsible for the same thing in the body. The first is produced in animal tissues, with the main source being eggs and muscle mass. However, the MK7 version is produced under the influence of bacteria and is significantly more stable than the MK4 version, moreover, its level is maintained in the blood. Vitamin K2 plays a fundamental role in the body by preventing the accumulation of calcium in the arteries. Its action involves activating the protein osteocalcin, which directs calcium to bones and teeth, where it belongs. When there is a deficiency of Vitamin K2 in the blood, absorbed calcium does not know where to go and can accumulate in the arteries, leading to the formation of plaque. At the same time, a deficiency occurs in the bones, which can lead to the development of osteoporosis. Vitamin K2 also activates a protein called MGP, resulting in the removal of calcium that has already accumulated in the arteries or other soft tissues.

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Importance and occurrence of vitamin K2

Regular consumption of vitamin K2, be it from natural sources or in the form of supplements, provides a significant shield against osteoporosis and asthma. This vitamin plays a crucial role when dealing with these conditions, as it removes excess calcium from blood vessels and directs it towards bones. Consuming a large quantity of calcium along with vitamin D, without the simultaneous use of vitamin K2, may contribute to the development of asthma. This occurs because a high concentration of calcium enters the bloodstream without a factor guiding it to the bones, potentially causing it to deposit in undesired locations, such as arteries. An adequate amount of vitamin K2 is around 100 micrograms daily. This quantity can be found in 100 grams of beef liver, two eggs, 100 grams of hard cheese (e.g., parmesan, pecorino). Exceptionally rich in vitamin K2, containing up to 1100 mg per 100 grams of product, is fermented soy, also known as natto. This is one of the traditional Japanese dishes. Natto can be purchased in Poland in stores selling Far Eastern and Oriental food. An interesting fact is that osteoporosis may coexist with asthma, and maintaining an appropriate level of vitamin K2 in the blood can help prevent both conditions without the need for additional medication.

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