NOW combines two nutrients extensively researched for their benefits for bones, teeth and the cardiovascular system.? Vitamin D3 promotes calcium absorption and calcium transport to bones.? Vitamin K2, likewise has been shown to be critical for bone and cardiovascular health through its role in the support of proper calcium metabolism in bone and vascular structures.? Vitmain K2 is the most biologically active form of Vitamin K.* Suggested Usage:??Shake well before use.? As a dietary supplement, spray 1 time under tongue, hold for 20 seconds and then swallow.? Consume 1 to 2 times daily.? Best when taken with a fat-containing meal. Other Ingredients:? De-ionized Water, Vegetable Glycerin, Xylitol, MCT Oil (medium chain triglycerides), Natural Fruit Flavors, Phospholipids (soy), Rosemary Extract (Rosmarinus officinalis) (Leaf), Potassium Sorbate (as preservative) and Citric Acid. Contains no:? salt, yeast, wheat, gluten, milk, egg or shellfish. Caution:?Consult your health practitioner before consumption if you are currently taking any anti-coagulant drugs (i.e. warfarin, coumadin, heparin), or if you are pregnant/lactating.