Zahler Vitamin D3 & K2 Liquid provides these two essential vitamins to support bone density and overall wellness. Supports bone density and aid with calcium absorption, additionally these two vitamins support cardiovascular and immune health. Contains 1000IU of Vitamin D and 100mcg K per serving in a convenient liquid formula, just 4 drops daily. D3 K2 drops is NON-GMO, Gluten Free, Dairy Free, Sory Free and Vegetarian Friendly. Zahler uses state of the art GMP certified facilities to help ensure potency and purity of all our dietary supplements. This product is Non GMO and Certified Kosher with pure, unadulterated ingredients sourced from nature.