Florastor® Dual Action Probiotic Supplement helps strengthen digestive and immune health with the unique probiotic yeast strain Saccharomyces boulardii CNCM I-745™. Florastor’s Dual Action helps flush out unwanted gut bacteria while boosting good bacteria to support a balanced, resilient gut. When your gut is imbalanced, it can be hard to feel your best. Florastor works differently from bacteria-based probiotics: its unique yeast-based probiotic helps flush out unwanted bacteria while supporting the good bacteria already in your gut. The result is daily support for digestive balance and immune health in a convenient 10-count capsule format.