Vitamin D, as an essential nutritional building block, has recently become the focus of medical research work concerning maintaining health, fitness and well-being. As central component of numerous metabolic processes in the body, vitamin D is an important biofactor for our vitality.
However, in recent years, our lifestyle has clearly moved us away from the sun. Thus, many people spend almost the entire day inside. Even with our diet, we can merely meet 10% of our vitamin D need. To prevent an insufficient supply, vitamin D should be supplemented.