Vitamin D3 3000IU (Cholecalciferol) 75mcg. Our body produced Vitamin D naturally when exposed to sun light. Vitamin D has many roles in your body. Ingredients: Vitamin D3 (Cholecalciferol), Di Calcium Phosphate (Bulking Agent), Micro Crystalline Cellulose (Bulking Agent), Magnesium Stearate (Anti-Caking Agent), Silicon Dioxide (Anti-Caking Agent).