[Good Gut Bacteria - These chewables include pawsome probiotic strains such as Lactobacillus acidophilus L. plantarum L. brevis L. fermentum and Lactococcus lactis. Something Yummy for a Happy Tummy! - Probiotic Bites are functional soft chew dog supplements that support gut flora and immune support for your canine companion. Featuring DE111 - This chewable supplement contains DE111 which is a clinically studied Bacillus subtilis that supports gut health and immune system function for your doggy. For a Healthy Gut - Fido can continue to digest with more zest! Probiotic Bites help support gut flora and normal digestive function for small medium and large breeds – whether an adult or senior! "Immune System Support - At a total of 3 billion CFU per chew the probiotics in these Probiotic Bites provide paw-erful support for your dogs immunity."]