Here at Optibac, we have spent nearly 2 decades working with the most researched bacteria strains in the world. Our probiotic supplements are scientifically formulated to help you feel your best and support your health - naturally. We pride ourselves on being backed by credible science and all of our friendly bacteria strains are extensively researched in global leading laboratories. Our probiotics are easy to take and suitable for everyone. Internationally acclaimed strain Saccharomyces boulardii has been used for over 50 years to support optimal gut health. Optibac guarantees 5 billion live probiotic cultures in every capsule. Optibacs' pure Saccharomyces boulardii probiotic is scientifically proven to pass through stomach acidity to reach your gut alive. This probiotic supplement is vegan, gluten-free, dairy-free & free from added sugar, artificial flavourings or colourings. Take 1 probiotic daily. Especially formulated probiotics for women*, men and babies over 1-year-old. *Consult with your doctor if pregnant or breastfeeding. Suitable for daily use, and can be taken intensively or on a long-term basis.