Zemolin, Gabriela PegoraroSirtuli, Jéssica de Fatima2021-04-122021-04-122017http://repositorio.uricer.edu.br/handle/35974/309Obesity is a public health problem and has been occurring rapidly increasing its prevalence, studies raise the hypothesis that obesity may be related to changes in the microbiota, evidence indicates that the imbalance of the intestinal microbiota can lead to obesity, trillions of bacteria which are normally located in the human gastrointestinal tract, affect the production and regulation of energy Objective: to identify the relationship of the intestinal microbiota with obesity. Methodology: A bibliographic review was carried out in scientific articles from 2000 to 2017 in the databases in Scielo and Pubmed. Conclusion: Obese people and lean people have different microbiotas, findings raise the possibility that the intestinal microbiota plays a role of paramount importance in weight regulation and may be partly responsible for the development of obesity in some people.pt-BRNutriçãoObesidadeMicrobiota intestinalAlterações na microbiotaArtigo Científico