Kids love the great taste, naturally sourced flavors and the fun cool gummy bear shape. Each Gummy provides an excellent source of calcium, with only naturally sourced flavors. And the additional vitamin D helps calcium absorption and overall bone health. Calcium: Calcium is a key building block for strong, healthy bones for children in their growing stage. Calcium also plays an important part in making sure that muscles and nerves work properly. Vitamin D: Essential for optimal absorption of Calcium; for immunity. Phosphorus: For bones, teeth, energy production (ATP).