Faulding Probiotics Travel Mate may assist in maintaining and stabilizing healthy gut microflora. Saccharomyces cerevisiae (boulardii) supports the health and function of the gastrointestinal tract and may reduce the risk of diarrhoea while travelling. A source of probiotics that supports the health and function of the immune system, Saccharomyces cerevisiae (boulardii) may also assist in maintaining digestive health following the use of antibiotics.