Very few foods contain vitamin D, and the amount of vitamin D obtained from sun exposure may be affected by seasonal changes and sunscreen use. Supplementation helps ensure adequate amounts. Specially formulated for kids’ unique vitamin D needs, Source Naturals Kids’ D3 Fast Melt™ delivers 100 percent of the recommended daily value to help build strong bones while also supporting immune health. D-3 is the form of vitamin D produced through photosynthesis in the skin. Our D-3 comes in a quickly dissolving, great-tasting natural black cherry flavor tablet. It has no sugar or artificial sweeteners and does not promote tooth decay.*