21st Century Calcium Plus is a dietary supplement containing essential nutrients designed to support strong and healthy bones, teeth, and cartilage. Each bottle contains 30 tablets formulated to help maintain optimal bone health and density. This supplement provides calcium along with other complementary nutrients necessary for bone and dental health. As a dietary supplement, it helps address calcium deficiency and supports the maintenance of healthy bone structure. The product comes in tablet form in a sealed bottle with 30 pieces. Being a dietary supplement, dosage instructions should be followed as directed by a healthcare provider.