This is a calcium supplement product in liquid form. All active ingredients are dissolved in liquid and wrapped in soft capsules. It can not only provide high-quality calcium and vitamin d3 directly to the body, but also supplement vitamin k2 that many people are easy to lack. Vitamin k2 has a vital relationship with the absorption and utilization of calcium. It is with its help that the calcium eaten can really be deposited in bones and become a part of human bones. Adults can use it to prevent osteoporosis, and children can also choose it to ensure smooth growth.