Cassandra Bendall, an expert in gut health, discusses the roles of prebiotics and probiotics in our overall wellbeing, including their impact on nutrient absorption, immune function, and gut flora balance. She highlights the importance of including more prebiotics and probiotics in our diets for improved digestion, nutrient absorption, and immune function. Cassandra emphasizes the benefits of choosing high-quality probiotic supplements and incorporating prebiotic and probiotic rich foods.