Bulking Agent (Microcrystalline Cellulose), Calcium Carbonate, Magnesium Citrate (Buffered), Zinc Citrate, Anti-Caking Agent (Magnesium Stearate), Vitamin D3 (Cholecalciferol). Each serving of 2 tablets provides a blend of essential minerals, including calcium, magnesium, zinc, and vitamin D. Calcium is crucial for the maintenance of normal bones and teeth, while magnesium supports normal muscle function and contributes to electrolyte balance.