In this paper, three new trends in nutrition and three classic ones are defined. Prominent new trends in nutrition are Sirtfood diet, Volumetrics diet and VB6 diet, and the classic vegetarian, gluten-free and dairy-free diet. New trends in nutrition are also reflected in the trends in the hospitality industry, whose offer must fully meet all the expectations of potential guests. Where food comes from, what is its composition and nutritional value, whether the food they consume will have a positive or negative effect on human health are just some of the issues that are increasingly being discussed. There are numerous tips and methods on how to lose extra pounds with the ideal diet that will lead a person to the desired result in a short time, and that is to lose as many pounds as possible in the shortest possible time. The basic and main approach is considered to be a change in lifestyle - exercise and well-planned and balanced reduction diets.