HealthVitamins – how important are they for us?09/29/2016September 29, 2016Dr. Andreas Pfeiffer is the head of Clinical Nutrition at the German Institute of Human Nutrition (DIfE) and director of the endocrinology, diabetes and nutritional medicine department at the Charité in Berlin.Copy linkImage: DWAdvertisementVitamins – how important are they for us?06:42This browser does not support the video element.