This bachelor thesis aims to determine whether Granko is one of the trends in breakfast drinks, and to what extent are marketing activities affecting the consumption of Granko. The theoretical part deals with marketing and marketing communications with its typical instruments. Then I deal with advertising and the restrictions imposed on a person under 18 years of age. It is followed by description of the target groups, including the methods used to reach children and the impact of advertising on children's segment. In the next chapter, I resolved the eating habits of children and the trend in consumption of milk. The practical part deals with marketing research. Primary data were obtained by questionnaire survey. From the evaluated data I d...