Bioavailable Vitamins K2 (as MK-7) and D3
D3/K2 5,000 features the most bioavailable and bioactive form of supplemental vitamin K2 available and vitamin D3 (cholecalciferol), the identical form in which vitamin D is derived in the body from cholesterol and synthesized by sunlight on the skin. Studies confirm safety and efficacy for bone and heart health.*