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What is the difference between MK-4, MK-7 and MK-9 in Vitamin K2?

April 26, 2017k2 mk-7 vitamin

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What is the difference between MK-4, MK-7 and MK-9 in Vitamin K2?

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Vitamin K2 is a group of compounds called the Menaquinones (MK) with an unsaturated side chain of 4-13 isoprene units. They are designated as MK-n, where n refers to number of isoprene units. MK-4, MK-7, MK-9 represent Menaquinones with 4,7,9 isoprene sub units, respectively. Vitamin K2 is used to improve various heart and bone ailments; recent studies indicate that MK-7 may be one of the most effective compounds among Menaquinones.