Strong bones are the foundation of good health! High potency Nature's Plus® Cal/Mag/Vit D3 with Vitamin K2, in delicious chocolate or vanilla chewables, is an advanced formulation, employing the most effective and bioavailable bone nutrients available. It helps protect the health of your bones and joints for strength, comfort and flexibility. It contains the most potent forms of these vitamins and minerals available for maximum absorption and utilization within the body. Both the calcium and magnesium in this supplement are biotron-chelated for optimal results, especially when combined with vitamins D3 and K2. Calcium and magnesium are vital to bone and joint health to prevent fractures and loss of density. Nature's Plus Cal/Mag/Vit D3 with Vitamin K2 conforms to the strictest standards for purity.