Healthy postmenopausal women who took 180 mcg per day of vitamin K2 (menaquinone-7, MK-7) over a three year period, yielding dramatic benefits for bone health.
The MK-7 form of vitamin K2 is unique in that it has a long half-life in the blood and sustained biological activity for bone nutrition. This enables a lower dose to be effective.
The results showed significantly better bone density in the lower spine as well as the vital femur neck that connects the hip socket to the thigh bone. The femur neck is the “weak link” in the overall hip joint, and fractures to it are associated with poor bone health and increased risk for mortality.
MK-7 was able to improve proper calcification of bone, reduce the expected decline in bone density, and was able to demonstrate improved bone strength – meaning it actually helped bone quality (bone drugs invariably make bone quality worse). It improved the amount of biologically active osteocalcin, which not only helps build better bones but also improves blood sugar metabolism.
This current study supports earlier research that proves conclusively that vitamin K2 as MK-7 is an excellent bone support nutrient.


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