Vitamin D3+K2 supports bone, brain, muscle and heart health. Vitamin D3 boosts calcium absorption while Vitamin K2 directs calcium to your bones instead of joints and arteries where its unneeded. Vitamin D3+K2 also supports regulation of the immune system, and its powerful antioxidant effects help defend against free radical molecules that damage cells. Choose the high quality Evlution Nutrition Vitamin D3+K2, made in a GMP certified facility to produce at the highest standards.