OptiBac Probiotics 'S. Boulardii' has been created especially for those seeking a natural option to help support gut health in those with diarrhoea, IBS and Candida. It contains the internationally acclaimed Saccharomyces boulardii, with no additives nor fillers. This well-researched and unique strain has been used safely around the world for over 50 years. Suggested for daily use, this supplement provides 5 billion probiotics per capsule guaranteed, and is proven to survive through stomach acidity and reach the gut alive. This supplement does not interfere with medicines or supplements for diarrhoea, IBS or Candida. The strain within OptiBac Probiotics 'S. Boulardii' is extremely well-researched. Each pack contains 16 capsules. This supplement, unlike many products containing probiotics, does not require refrigeration. This is thanks to improvements in freeze-drying techniques, as well as the Saccharomyces boulardii strain being naturally robust and able to survive harsher conditions. All OptiBac Probiotics strains are thoroughly researched and documented, so you can be confident you're getting a high quality supplement, which is right for you.