A large share in the uniqueness of the human sensibility to the world around, take the bacteria that live in ours bodies. Most of the bacterial cells (Microbiota) is located in the intestines. Intestinal microbiota (microorganisms) - community of different microbiota, makes the desired function of the body. Microorganisms exist in union with the body and the immune system. Weak microorganisms lead the immune system and the digestive system to the inadequate response to the environment, food (allergies, food intolerance) and the general disruption of the vital functions.