Vitamin K2, or menaquinone (MK), is a type of vitamin K. Vitamin K is a collection of compounds the body needs to function. The K2 type may benefit bone, blood, and heart health. Vitamin K2 is ...

The results of recent studies have suggested that concurrent use of menaquinone and vitamin D may substantially reduce bone loss. Menaquinone was also found to have a synergistic effect when ...

These include phylloquinone, or vitamin K1, and menaquinone, which is also referred to as vitamin K2. Vitamin K is used to produce a protein known as prothrombin. Made in the liver, prothrombin ...