Natures Aid Calcium with Magnesium and Vitamin D3 is a synergistic formula designed to support bone, teeth and muscle health. This supplement contains 90 tablets and combines three essential nutrients that work together to maintain proper calcium absorption and utilization in the body. The supplement comes in a dark green bottle with clear labeling indicating its key ingredients. The formula is marketed as a 'synergistic formula' suggesting the ingredients are specifically combined to work together effectively. The product focuses on supporting healthy bones, teeth and muscle function through its combination of calcium, magnesium and vitamin D3. As a dietary supplement, it provides a convenient way to supplement these important nutrients that may be lacking in regular diet.