Nature's Bounty Calcium 600 with Vitamin D3 is a dietary supplement designed to support bone, muscle, and immune health. Each bottle contains 60 tablets that provide 600mg of calcium enhanced with vitamin D3 for optimal absorption and utilization by the body. This supplement combines calcium and vitamin D3, which work together to help maintain strong bones and support proper muscle function. Calcium is essential for bone and dental health, while vitamin D3 aids in calcium absorption. The product comes in a dark green bottle to protect the tablets and maintain their effectiveness. As a dietary supplement, it may be particularly beneficial for adults concerned about bone health, including those over 50, post-menopausal women, or individuals with limited calcium intake through diet alone.