Kawai Kanyu Drop contains vitamins A, D, and calcium. This product is a perfect option for both children and adults, as it has many useful properties. Vitamin A improves eye health, strengthens mucous membranes and protects against colds. Vitamin D enhances calcium absorption, thereby strengthening bones and teeth. The combination of calcium and vitamin D is especially useful for kids - calcium helps bones stay strong and vitamin D enhances calcium absorption. This supplement also helps to support the CNS function, improves mood and helps to cope with stress.