Abstract
Metabolic syndrome is a worldwide epidemic which is a combination of various metabolic disorders of organism. Nowadays biodiversity in gut microbiome and its impact on health is being studied very intensively. Gut microbiome has a main role as a reservoir of human genetics. Therefore its study is very topical. There are a lot of factual materials which indicate that gut undeniable influence on the immune system and intestinal barrier function, digestion, metabolism and systemic inflammation. It can be rightfully claimed that microbes «in dialogue» with the whole body by way of sending us signals, which have to be researched and identified in the future.