Scitec Nutrition Vtamin D3 is a high quality product that is perfect for anyone wanting to add more Vitamin D to their diet. It contributes to normal muscle function and normal function of the immune system. Keeping optimum levels of Vitamin D within the body, can be hard to achieve on a daily basis. Therefore supplementation if often required to ensure a sufficient Vitamin D3 intake. This can help by protecting you from diseases and maintaining health bones and teeth.