Digestive Supplement* *This supplement contains a strain proven to survive to reach the digestive system and is designed to complement your body's natural gut bacteria. Live cultures Food supplement - 16 capsules Saccharomyces boulardii is a unique and extensively researched friendly yeast, that is proven to reach the gut alive, and has been used around the world for over 50 years. ~ The full name for this supplement is Optibac 'Saccharomyces boulardii ~