From the Manufacturer What Is FLORASSIST® Probiotic Immune & Nasal Defense? Our body's natural defense mechanism is our immune system. Interestingly, it also responds to innocuous environmental factors like pollen. L. rhamnosus CRL1505, a probiotic strain, and EpiCor®, a whole food fermentate created from yeast, support several facets of a healthy immune response, ensuring you're prepared for whatever the future holds. EpiCor® was discovered when factory workers at a yeast fermentation plant had better work attendance than their office counterparts. FLORASSIST® Probiotic Immune & Nasal Defense Benefits 1. Encourages a robust seasonal immunological response 2. Promotes the synthesis of immunological substances that strengthen your body's defenses 3. Encourages normal nasal airflow in reaction to external stimuli (such as pollen). " FLORASSIST® Immune & Nasal Defense 30ct