Long-term controlled trials on vitamin K2 and heart disease are needed.

Still, there is a highly believable biological mechanism for its effectiveness and strong positive correlations with heart health in observational studies.
May help improve bone health and lower your risk of osteoporosis
Osteoporosis — which translates to the phrase “porous bones” — is a common problem in Western countries.
It is seen especially among older women and strongly raises the risk of fractures.