About Lindens. The Vitamin D within the tablets contributes to the normal absorption and use of calcium and normal blood calcium levels. (revised formula) Calcium Carbonate, Magnesium Oxide, Bulking Agents (Microcrystalline Cellulose, Maltodextrin), Anti-caking Agents (Magnesium Stearate), Vitamin D3 (as Cholecalciferol).