Vitamin K2 or menaquinone (MK) (/ ˌmɛnəˈkwɪnoʊn /) is one of three types of vitamin K, the other two being vitamin K 1 (phylloquinone) and K 3 (menadione). 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. [1]

2024年5月9日 · Vitamin K2, or menaquinone, is a type of vitamin K made in your gut and available in certain foods. Vitamin K2 is useful in bone health, as well as for overall blood and heart health.

2023年3月9日 · What we commonly think of as vitamin K includes vitamin K1 (also called phylloquinone), as well as vitamin K2 (menaquinone). They work differently in your body and …

Vitamin K is a group of vitamins found in some green vegetables. Vitamins K1 (phytonadione) and K2 (menaquinone) are commonly available as supplements. Vitamin K is an essential vitamin needed by...

2024年3月5日 · Vitamin K2 is found in animal-based foods, like beef liver and cheese. It’s essential to many aspects of your health, including blood clotting, calcium metabolism, and heart health. Some think...

2024年7月26日 · Vitamin K2 (menaquinone) is a fat-soluble vitamin that can provide many health benefits. Learn about best food sources, deficiency, vs. K1, along with side effects.

Recent reports have attributed the potential health benefits of vitamin K beyond its function to activate hepatic coagulation factors. Moreover, several studies have suggested that menaquinones, also known as vitamin K2, may be more effective in activating extra-hepatic vitamin K-dependent proteins than phylloquinone, also known as vitamin K1.

Vitamin K 2 includes a range of vitamin K forms collectively referred to as menaquinones. Most menaquinones are synthesized by human intestinal microbiota and found in fermented foods and in animal products. Menaquinones differ in length from 1 to 13 repeats of 5-carbon units in the side chain of the molecules.

Vitamin K, the generic name for a family of compounds with a common chemical structure of 2-methyl-1,4-naphthoquinone, is a fat-soluble vitamin that is naturally present in some foods and is available as a dietary supplement [1]. These compounds include phylloquinone (vitamin K1) and a series of menaquinones (vitamin K2) [2].

Recent reports have attributed the potential health benefits of vitamin K beyond its function to activate hepatic coagulation factors. Moreover, several studies have suggested that menaquinones, also known as vitamin K 2, may be more effective in activating extra-hepatic vitamin K-dependent proteins than phylloquinone, also known as vitamin K 1.