We present the scientific abstracts of the 5th Annual Symposium of the German Society for Paleo Nutrition (Deutsche Gesellschaft für Paläoernährung) which took place on September 23rd 2017 in Giessen, Germany.

Besides an overview on existing interventional studies on Paleolithic diets, a focus of this year´s symposium was on secondary plant metabolites: presence, standardization by phytoneering and the role of phytomedicine for prevention and treatment of cancer. Further topics were the role of vitamin-D and omega-3 fatty acids, as well as molecular anthropology and personalized nutrition.