Floranorm sachets in contain Saccharomyces boulardii a ?probiotic,? a friendly organism that helps to fight off disease-causing organisms in the gut such as bacteria and yeast. It is primarily used in treating and preventing recurrent infections associated with the gastrointestinal tract. Floranorm can be used to manage diarrhoea issues, ulcerative colitis, lactose intolerance and yeast.