Support your sidekick’s digestive health with Vet's Best Probiotic Soft Chew Dog Supplement. These probiotic chews for dogs are veterinarian formulated with densely-packed active ingredients. Each chew includes 1.5 Billion CFUs with the active cultures of six strains of bacteria as well as antioxidants and prebiotics that are optimized for bioavailability. These extra-moist chews are designed to provide a stabilized source of probiotics to maintain gastrointestinal balance, a healthy appetite and proper digestion. They are the paw-fect once-a-day way to keep Rover feeling regular.