Vitamin K2 mK7 - attributes, opinions... Is this truly a place where vitamin K2 is found?
Julia Wójcik
2026-03-25
3 min. read
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Vitamin K2 is gaining increasing popularity in the media -- criticized by some and deemed necessary by others -- and before making a decision, it's worth finding out what vitamin K2 really is and what confirmed benefits it has for human health -- this and much more in the following text.
Vitamin K2 in the form of mK7
Vitamin K is commonly recognized as a fat-soluble nutrient. Type K2mK7, also known as menachinone-7, belongs to a group of related compounds generally referred to as vitamin K2. These compounds vary in the length of their chains. In the case of vitamin MK7, seven unsaturated isoprenoid residues are characteristic. Menachinones can be manufactured synthetically as well as through fermentation by bacteria, and they also occur in certain foods, primarily those of animal origin.
Characteristics of Vitamin K2 mK7
Menachinon-7 plays a significant role in the bone and cardiovascular system. According to scientific studies, it is known as a blood clotting factor, as well as a carrier of electrons in the mitochondria, which prevents blood vessels from calcifying and also reduces the likelihood of coronary artery disease. Interestingly, this compound improves the stiffness and flexibility of the arteries. It is also involved in post-translational protein modification. Vitamin K2 has been shown to support body weight and fat reduction. It is also known to have positive effects on bone health and strength. It has been found that supplementing the diet with this compound improves bone strength by increasing the number of osteoblasts. Furthermore, it reduces the dependence on bone mineral density and age, which is particularly important for postmenopausal women.
Occurrence of Vitamin K2 mK7
It frequently appears as a component of dietary supplements. It is typically produced by Bacillus natto bacteria, which are neither toxic nor disease-causing. It is primarily found in animal products such as liver (veal, goose, chicken), hard and soft cheeses, egg yolks, butter, salami and bacon, chicken and goose meat. It can also be found in salmon, mackerel, and sauerkraut.
Opinions regarding Vitamin K2 mK7
This vitamin sparks a lot of controversy among experts.. The situation is not made easier by the fact that it is promoted by the famous, but not very popular "prophet" Jerzy Zięba.. Some believe that it is an effective source of nutrients, while others think it is just a simple nonsense and an invention of pharmaceutical companies.. As always, the truth lies somewhere in the middle.. It is important to be careful of all "charlatans" spreading dubious views.. However, scientists confirm that Vitamin K2 K7 is very effective in treating and preventing osteoporosis, heart diseases, and Alzheimer's disease.. Like all nutrients, it is important to keep moderation, but including products containing this nutrient in the diet will not harm anyone and can only support the efforts for health.. Summing up, Vitamin K2 MK7 is a relatively unknown, but widely discussed nutrient.. The discussed nutrient is very effective in fighting heart diseases, Alzheimer's, and osteoporosis.. It is present in many food products and also available as a supplement that can be easily obtained in any pharmacy.. It is worth paying more attention to it and searching for reliable information about it.
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