Super-Flora Probiotic Supplement Chews provide the perfect balance of good bacteria to maintain a healthy microbiome, support the immune system, and promote the absorption of nutrients necessary for healthy functioning. Each chew contains 1 billion CFU of our proprietary blend of 7 different strains of good bacteria, including canine-specific strains. Additionally, these probiotic chews include inulin, a naturally derived prebiotic that helps the good bacteria grow and flourish in the gut.