About This Immune Booster Support - These chewables utilize probiotics for more than just digestion. This complex also promotes a boost of immunity to give your animal the care they need to live a healthy life. Nature Inspired Gut Health - Ancient Elements Probiotic Bites are delicious soft chews with premium ingredients and an ancient base of quinoa, millet, amaranth, and sorghum to support canine gut health. Featuring DE111 Probiotic - These powerful pet supplements include DE111, a premium Bacillus subtilis probiotic that has been clinically studied for supporting gut health and immune system function. Six Strains of Probiotics - Each daily chew contains a 3 Billion CFU Probiotic blend, which provides healthy bacteria to support digestive function, along with maintaining proper and normal gut flora. Natural Gut Health for Pets - This chewable doggy supplement also includes Papain, Bromelain, and Psyllium Husk, which work to help aid and maintain a healthy digestive tract for Fido's well-being.