Health & Wellbeing, Nutrition, Useful information

Vitamin K: The underrated vitamin

Almost everyone has heard or read something about the B vitamins and vitamins C, E or D – in contrast to the underrated vitamin K . Although most vitamins have been researched more often, the vitamin has been relatively little researched compared to the others. One thing is certain, however: According to the current state of knowledge, it offers you numerous interesting advantages . You should therefore definitely get to know them.

What is vitamin K?

The vitamin belongs to the group of fat-soluble vitamins . These also include vitamins A, E and D. On the one hand, the vitamin itself is rather unknown, on the other hand, one effect is again very common – the formation of blood coagulation factors. For this reason, it is administered prophylactically to newborns, for example, in order to avoid cerebral hemorrhage.

Note: Like other vitamins, the vitamin occurs in different forms .

Vitamin K1

Vitamin K1 (also Phylloquinone) is naturally present in some foods – mainly in green leafy vegetables . It is first metabolized in the liver, where it then forms blood clotting factors. Vitamin K1 is therefore also the form that is used for bleeding prophylaxis in newborns .

Vitamin K2

Vitamin K2 (menaquinone) – in contrast to the other vitamin forms – even partially made from animal or fermented foods by the intestinal bacteria and then transported to the blood vessel walls or other tissues close to the liver. Vitamin K2 takes on tissue-specific functions there. The body can only produce small amounts of vitamin K2 itself; this is not enough for a sufficient supply. Therefore, taking dietary supplements makes sense. Our new product vitamin D3-K2 also contains menaquinone.

Vitamin K3

Menadione (vitamin K3) is neither found in food nor is it formed by intestinal bacteria. It is a synthetically produced vitamin that is not exactly harmless as it even causes toxic side effects . That is why it is now banned for human consumption.

Advantages and functions

The vitamin ensures blood clotting. But what else is it responsible for?

Relieve menstrual cramps with vitamin K

In a study with menstruating women aged 18-55 years, the following was found: The group that receives the vitamin supplemented suffered less severe period bleeding than the other group. The longer the study lasted, the more women had this effect.

Vitamin K for strong bones

Vitamin K activates what is known as osteocalcin, which is important because it causes the Promotes calcium incorporation in the bones. However, this requires the help of vitamin D, which converts the precursor of osteocalcin into the active form. After this happens, calcium can be built into the bone. The vitamin protects against weak bones and osteoporosis.

Vitamin K is good for the heart

The vitamin also ensures that calcium does not accumulate on the arterial walls, which counteracts hardening of the arteries, also known as arteriosclerosis. Put more simply, the risk of cardiovascular diseases is minimized and thus leads to fewer heart attacks and strokes .

Lose weight more easily

Vitamin K is involved in some metabolic processes – both in energy metabolism in general and in fat, glucose and insulin metabolism. The following question has been a topic of discussion in science for a long time: Does the vitamin influence weight? Therefore, this question was investigated in a study with women aged 55–65 years. The result: a high dose of the vitamin actually reduced the body weight of women. In addition – in contrast to the women in the placebo group – the outer and inner abdominal fat was reduced.

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Vitamin K in breast cancer

In various studies different effects were found > the different forms of the vitamin examined. For a long time z. For example, assume that all forms are functionally equivalent. However, the opposite is the case and there is a debate as to whether the nutritional guidelines for vitamin K should be changed. For example, a recent study from 2019 found different effects of vitamin K1 and vitamin K2 on the growth of breast cancer cells. The study came to the conclusion that vitamin K1 promotes tumors and vitamin K2 prevents tumors. This is probably because vitamin K2 suppresses cell growth and energy metabolism. The effect of vitamins K1 and K2 has not yet been investigated in normal breast tissue, so there is still a need for further research.

Vitamin K-rich foods

Vitamin K1 is found in green leafy vegetables, if you remembered this. You don’t like leafy vegetables? Don’t worry, you can find the vitamin in a whole range of foods .

Note: Below you will find foods rich in vitamin K. These are sorted from very high in vitamin K to slightly less high in vitamin K. None of the foods are better or worse because of it. It is more important that you eat as varied as possible and that you consume all the nutrients . You can find out what these are in our nutrient and vital substance lexicon.

Legumes and nuts

  • Fermented soybean products
  • Raw kidney beans
  • Green beans
  • Peas
  • Chickpeas

Vegetables and other herbs

  • Matcha
  • Kale
  • Parsley
  • Spinach
  • Broccoli
  • Brussels sprouts
  • Cucumber

Oils

  • Soya oil
  • Vegetable mixed oils
  • Rapeseed oil

Vitamin K supplement

A deficiency in the vitamin is relatively rare, provided you are not constantly bruised, gastrointestinal bleeding or are a chronic alcoholic. It is much more important not to supplement the vitamin when taking Marcumar (anticoagulant), as it weakens the effect of the drug and in the worst case can lead to thrombosis. If you don’t take Marcumar, taking vitamin K can help you relieve your menstrual cramps and maintain a strong heart and bones as you get older to maintain. Incidentally, vitamin K is also contained in our vitamin D3 + K2 depot tablets or in our O3-D3-K2 tablets. You can read here why such a combination preparation makes sense.

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