On behalf of the organizing committee it is our pleasure to invite you for the 5th International IUPAC Symposium for Trace Elements in Food (TEF-5) to be held in the harbour area of beautiful Copenhagen, 6th - 9th May 2014. The conference venue is “The Danish Society of Engineers” (IDA), which is a modern and attractive waterfront building, in central Copenhagen. At the TEF-5 symposium in 2014, we expect to welcome 150 participants from around the World. The conference is the continuation of a series of successful symposia focusing on various issues related to the presence and function of toxic or essential trace elements in food. The previous two TEF conferences were held in Rome (2008) and Aberdeen (2011) and attracted worldwide experts from different disciplines to present recent results and discuss all aspects of trace elements in relation to food, with special emphasis on the biological effects of trace elements. The TEF-5 program will consist of several topical sessions initiated with key-note lectures from renowned experts, followed by oral presentations on recent developments in the area. The conference will also include a poster session and an instrument exhibition at the same facilities, which allows further scientific highlights and the most recent technical advances to be presented.