Florastor is a daily probiotic supplement that strengthens your digestive balance and supports a healthy immune system. Florastor is the ONLY probiotic brand with Saccharomyces boulardii lyo CNCM I-745, a unique probiotic strain with a larger, stronger cell structure than other probiotics. Saccharomyces boulardii lyo CNCM I-745 is shown to help boost your bodys natural production of IgA an important antibody in your digestive system that helps fight off potentially harmful bacteria. With just two capsules once or twice a day, Florastor Probiotic Supplements help support a healthy digestive tract where 70% of your immune system lives. Florastor is a gluten-free, non-GMO probiotic offered in vegetarian capsules. Our patented freeze-drying process gives Florastor a three-year shelf life protecting the live cells without refrigeration. It's perfect for travelers on-the-go and those with active lifestyles. Help keep your digestive tract on track, with Florastor. Important Information. Contains lactose (sourced from milk). The ingredients in this dietary supplement are generally recognized as well tolerated when taken as directed. Instances of side effects while taking Saccharomyces boulardii lyo CNCM I-745 are rare with less than 1% of individuals reporting mild constipation or thirst. In very rare cases, allergic reaction (such as skin rash) may occur. Do not use in the acute-care setting, especially in those individuals with open arterial and venous access required (such as a Vascath, Permcath, or AV fistula}. Do not use for any individual with a central line or port or in the surroundings of any patient with a central line or port. Central lines include short- and long-term central venous catheters (CVCs) and peripherally inserted central catheters (PICCs). Do not use for pre- or post- organ or bone marrow transplant patients and other patients considered severely immunocompromised or critically ill. Do not use if allergic to any components (especially yeast).