The phenomenon of veganism is not new in the World, but it was only in the first decade of this century that it became the subject of wider sociological and other research. The concept of veganism is complex, associated with consumption, lifestyle, social group, social movement, subculture, and other social phenomena, but researchers’ attention to the complexity of this phenomenon is limited. The article examines the multidimensionality of the phenomenon of veganism, which has so far been poorly analysed in the works of Lithuanian researchers, the diversity of its concepts and research directions, and summarises the levels of analysis of the phenomenon of veganism and research directions.