n (Biochemistry) another name for menaquinoneEncyclopediaSeevitamin K
vitamin K2
men·a·quin·one-6
(MK-6) (men'ă-kwin'ōn) Isolated from putrified fish meal, potency is about 60% of that of phylloquinone (vitamin K1). Synonym(s): vitamin K2, vitamin K2.