vitamin d3 + k2 cofactor complex (10,000 ius / 45 mcg) - 60 capsules by neurobiologix neuro biologix vitamin d3 + k2 cofactor complex was designed to obtain the most benefit from vitamin d. how well vitamin d delivers to the cell depends upon the amount of other cofactors in the body and if genetic weaknesses are present. such genetic as the vdr taq, may hinder vitamin d delivery unless vitamin k is present. vitamin d, vitamin k, and the other cofactors, boron and zinc picolinate, in this formula have been show to: supports healthy blood circulation promotes bone health and proper calcium storage supports cardiovascular health and blood sugar balance boosts immune function this formula includes the patented vitamk7, a natural vitamin k2 (as mk7) which supports enhanced utilization of calcium in the bloodstream. thi is a soy-free, vitamin d3 and vitamin k2 in the most bioavailable and bioactive forms. * it is an all-trans natural menaquinone-7 with the highest bioavailability and longest half-life in the blood.* vitamk7 is shown in human clinical studies to increase osteocalcin (calcium-binding protein) levels, enhancing the body’s ability to utilize calcium in the bloodstream. * an in-vitro study shows vitamk7 inhibits the production of pge-2, a prostaglandin that acts as a potent stimulator of bone loss. * it is non-gmo and solvent free and processed under the strictest purity standards.