Two Big Vitamins in One Tiny Dot! With Vitamin D From Cholecalciferol; 1000 IU Per Dot.Sometimes referred to as the sunshine vitamin, Vitamin D strengthens the bones and teeth by facilitating calcium absorption.* Recent evidence suggests higher daily doses support optimum health.* New research shows that consumption of the little-known Vitamin K2 supports healthy bones and cartilage, as well as promoting healthy blood vessels.*