The subject of this final work is veganism, which today represents a large part of the population of younger and older people. The aim of this topic is to explain vegetarianism and veganism more closely as nutrition and their advantages and disadvantages. Vegetarianism is a diet that is more common in humans than in vegan, but the transition from vegetarians to vegans is noticeable. First is defined vegetarianism, their distribution and essential nutrients such as omega 3 fatty acids. After that, veganism is described as the main theme of this work, the history of veganism, vitamins and proteins in vegan diet. More detail is described about soy and nuts, in the end the advantages and disadvantages of veganism and veggies in Croatia. That nutrition is really important, it proves to us that health can be bad for eating.