Natures Aid Vitamin D3 contributes to the maintenance of normal bones, teeth, muscle function and the immune system. -Vitamin D contributes to normal - ?absorption/utilisation of calcium and phosphorus ?blood calcium levels -Vitamin D contributes to the maintenance of normal ?bones ?muscle function ?teeth -Vitamin D contributes to the normal function of the immune system -Vitamin D has a role in the process of cell division Directions:Take 1 tablet per day with food. Do not exceed the recommended intake. Ingredients:Microcrystalline Cellulose, Di-Calcium Phosphate, Vitamin D3 Prep,(Cholecalciferol, Beta-Cyclodextrin), Sodium Carboxymethyl cellulose, Anticaking Agents (Silicon Dioxide, Vegetable Source Magnesium Stearate).