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Study Shows Vitamin K Benefits Heart Health

During the research, it was reported that people who ate more foods containing vitamin K had a lower risk of cardiovascular disease-related to atherosclerosis (plaque build-up in the arteries).

Study Shows Vitamin K Benefits Heart Health

Vitamin K play role in building bones and blood clotting

A new research has found that eating a diet rich in vitamin K can lower the risk of atherosclerosis-related cardiovascular disease (conditions affecting the heart or blood vessels).

The findings of the study were published in the 'Journal of the American Heart Association'.

Researchers examined data from more than 50,000 people taking part in the Danish Diet, Cancer, and Health study over a 23-year period.



They investigated whether people who ate more foods containing vitamin K had a lower risk of cardiovascular disease-related to atherosclerosis (plaque build-up in the arteries).

There are two types of vitamin K found in foods we eat: vitamin K1 comes primarily from green leafy vegetables and vegetable oils while vitamin K2 is found in meat, eggs and fermented foods such as cheese.



The study found that people with the highest intakes of vitamin K1 were 21 per cent less likely to be hospitalised with cardiovascular disease related to atherosclerosis.

For vitamin K2, the risk of being hospitalised was 14 per cent lower.

This lower risk was seen for all types of heart disease related to atherosclerosis, particularly for peripheral artery disease at 34 per cent.

ECU researcher and senior author on the study Dr Nicola Bondonno said the findings suggested that consuming more vitamin K may be important for protection against atherosclerosis and subsequent cardiovascular disease.

"Current dietary guidelines for the consumption of vitamin K are generally only based on the amount of vitamin K1 a person should consume to ensure that their blood can coagulate," Dr Bondonno said.

"However, there is growing evidence that intakes of vitamin K above the current guidelines can afford further protection against the development of other diseases, such as atherosclerosis," Dr Bondonno added.

"Although more research is needed to fully understand the process, we believe that vitamin K works by protecting against the calcium build-up in the major arteries of the body leading to vascular calcification," Dr Bondonno explained.

University of Western Australia researcher Dr Jamie Bellinge, the first author on the study, said the role of vitamin K in cardiovascular health and particularly in vascular calcification is an area of research offering promising hope for the future.

"Cardiovascular disease remains a leading cause of death in Australia and there's still a limited understanding of the importance of different vitamins found in food and their effect on heart attacks, strokes and peripheral artery disease," Dr Bellinge said.

"These findings shed light on the potentially important effect that vitamin K has on the killer disease and reinforces the importance of a healthy diet in preventing it," Dr Bellinge concluded.

Next steps in the research

Dr Bondonno said that while databases on the vitamin K1 content of foods are very comprehensive, there is currently much less data on the vitamin K2 content of foods.

Furthermore, there are 10 forms of vitamin K2 found in our diet and each of these may be absorbed and act differently within our bodies.

"The next phase of the research will involve developing and improving databases on the vitamin K2 content of foods. More research into the different dietary sources and effects of different types of vitamin K2 is a priority," Dr Bondonno said.

Additionally, there is a need for an Australian database on the vitamin K content of Australian foods (e.g. vegemite and kangaroo).

To address this need, Dr Marc Sim, a collaborator on the study, has just finished developing an Australian database on the vitamin K content of foods which will be published soon.

The research is part of ECU's Institute of Nutrition Research. It was a collaboration with researchers from the University of Western Australia, Royal Perth Hospital, Herlev and Gentofte University Hospital in Denmark and the Danish Cancer Society Research Centre.


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The Institute for Nutrition Research was established as an ECU Strategic Research Institute in 2020.

(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)

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