What is Vitamin D3? Vitamin D3 is a mineral that can be sourced through ultraviolet beta rays. Benefits of Vitamin D3 Vitamin D3 contains 2500 IU and has 180 servings, with 1 serving needed each day. Who is Vitamin D3 Suitable for? Vitamin D3 is suitable for all individuals who want to increase their daily vitamin D3 intake. *This statement has not been approved by the FDA Please note that the labelling on this product is provided in English as a minimum. French, Italian, German, Spanish, Danish, Swedish and Finnish may also be present on a product by product basis.