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Vitamin K is a family of structurally similar, fat-soluble vitamers found in foods and marketed as dietary supplements. [1] The human body requires vitamin K for post-synthesis modification of certain proteins that are required for blood coagulation ("K" from Danish koagulation, for "coagulation") or for controlling binding of calcium in bones and other tissues. [2]
Foods high in vitamin K. Sources of vitamin K1 include: Spinach. Broccoli. Iceberg lettuce. Oils such as soybean and canola oil. ... If you take blood thinners such as warfarin, you should talk ...
He also notes that watercress' high vitamin K content can interact with certain medications, especially blood thinners like warfarin (Coumadin). "Vitamin K plays a vital role in blood clotting, so ...
But you seem to hear about some vitamins more than others—like how vitamin C can boost your immune system and vitamin D helps build healthy bones. Well, vitamin K is equally important. It aids ...
Phytomenadione, also known as vitamin K 1 or phylloquinone, is a vitamin found in food and used as a dietary supplement. [6] [7] It is on the World Health Organization's List of Essential Medicines. [8] It is used to treat certain bleeding disorders, [7] including warfarin overdose, vitamin K deficiency, and obstructive jaundice. [7]
Vitamin K 2 or menaquinone (MK) (/ ˌ m ɛ n ə ˈ k w ɪ n oʊ n /) is one of three types of vitamin K, the other two being vitamin K 1 (phylloquinone) and K 3 . K 2 is both a tissue and bacterial product (derived from vitamin K 1 in both cases) and is usually found in animal products or fermented foods .
"Vitamin K is a fat-soluble vitamin that is found in a variety of foods and can be produced in small amounts by the bacteria living in the human gut," says Eliza Whitaker, MS, RDN, a registered ...
The vitamin K content of leaf vegetables is particularly high since these are photosynthetic tissues, and phylloquinone is involved in photosynthesis. [2] Accordingly, users of vitamin K antagonist medications, such as warfarin , must take special care to limit the consumption of leaf vegetables.