Highly bioavailable synergistic combination of D3 and K2 to support bone health, muscle strength, joint mobility and healthy immunityVitamin D3 & K2 are important vitamins that work synergistically to support bone health and density, muscle health and strength, and joint health and mobility. Liposomal Delivery System delivers Vitamin D3 & K2 for cellular support within sunflower oil liposomal micro-spheres for high bioavailability.