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Vitamin K Supplements

Vitamin Krefers to a group of fat-soluble vitamins that play a role in blood clotting, bone metabolism, and regulating blood calcium levels.

The body needsVitamin Kto produce prothrombin, a protein and clotting factor that is important in blood clotting and bone metabolism. Deficiency is rare, but, in severe cases, it can increase clotting time, leading to haemorrhage and excessive bleeding.

Vitamin K1 (phylloquinone)is obtained from leafy greens and some other vegetables andVitamin K2 (menaquinone)is largely obtained from meats, cheeses, and eggs, fermented foods and synthesized by bacteria.

Benefits of taking aVitamin K supplement:

Bone health

There appears to be a correlation between low intake ofVitamin K and osteoporosis. Several studies have suggested thatVitamin K supports the maintenance of strong bones, improves bone density and decreases the risk of fractures.


Increased blood levels ofVitamin Khave been linked with improved memory in older adults. In one study, healthy individuals over the age of 70 years with the highest blood levels ofVitamin K1had the highest verbal episodic memory performance.

Cardiovascular health

Vitamin Kmay help keep blood pressure lower by preventing the build-up of minerals in the arteries. This enables the heart to pump blood freely through the body. Adequate intake ofVitamin Khas also been shown to lower the risk of stroke.

People who use blood-thinning medications, such as warfarin, or Coumadin, should not start consuming additionalVitamin Kwithout first asking a doctor.