Vitamin D3 - 25 μg (1000iu). Vitamin D3. Calcium Carbonate (Bulking Agent), Microcrystalline Cellulose (Bulking Agent), Vitamin D3 (as Cholecalciferol), Stearic Acid (anti- caking agent), Silicon Dioxide (anti- caking agent), Magnesium Stearate (anti- caking agent).