The invention relates to a nanoproduct useful in prophylaxis and medicine, both human and veterinary as well as to a medical use of the same. The invention discloses Lactobacillus reuteri DAN080 strain with deposit number DSM 15693 for use in medicine. The various forms of preparations comprising the Lactobacillus reuteri DAN080 strain with deposit number DSM 15693 are disclosed for use in medicine as therapeutic and prophylactic agent, especially as an antimicrobial agent, in prophylaxis and treatment of medical condition conditions developing as a result of infections caused by bacteria, fungi, and other pathogens of the gastrointestinal tract, body surface, and other systems, such as urogenital system, respiratory system, in vertebrates or as a therapeutic and/or prophylactic agent for the treatment and prevention of development of gout (podagra) and/or for increasing the activity of lysozyme in an organism of vertebrate, especially human, other mammal or bird.
