Vitamin D3 is a fat-soluble vitamin. It is also known as the sunshine vitamin, as the human body can manufacture it when exposed to sunlight. Well known for its role in regulating calcium levels*, vitamin D is now attracting attention for its role and benefits to the body. These include the maintenance of normal bones, teeth, muscle function as well as the normal functioning of the body´s immune system.In this product the vitamin D3 is presented in a form suitable for vegetarians.Vitamin D contributes to normal absorption/utilisation of calcium and phosphorus and the maintenance of normal levels of calcium in the blood.Each Vegetable Capsule of Solgar Vitamin D3 Provides: Solgar Vitamin D3 (600 IU), as cholecalciferol 15ug Natural Ingredients:Vegetable Magnesium Stearate*, silicon dioxide, Bulking Agent: Microcrystalline celluloseAnti-caking Agents:Directions:For adults, one (1) vegetable capsule daily, preferably at mealtime, or as directed by a healthcare practitionerFood supplements should not be used instead of a varied balanced diet and a healthy lifestyle.