The invention concerns a new application of capsaicin found in peppers. More precisely, the invention is based on a system with the help of which capsaicin present in peppers is introduced into foodstuff that is suitable for human consumption, for example water, mineral water, fruit juices, dairy products or wines. The invention also deals with the process that introduces capsaicin into foods, as well as with the capsaicin-containing products produced this way.