Bulardi® 500, S. boulardii in a dose of 10x1010 CFU with the addition of an optimal dose of vitamin D3. Contributes to the stability of the intestinal flora and strengthening immunity, is recommended with the H. Pylori eradication protocol, in the prevention and treatment of all forms of diarrhea and reduces the rate of the most serious hospital infections caused by Clostridium difficile. It contributes to the improvement of the immune response in the fight against viruses, bacteria and their toxins. Synergistic action on intestinal microbiota and cells of the immune system in the intestines. A-TECH packaging ensures additional protection of the product, stability of the strain and the declared dose until the expiry date.