Veterinarian formulated for use in dogs over the age of 6 weeks. Prebiotic, probiotics, and digestive enzymes assist in the digestion and absorption of essential nutrients. Bacillus subtilis PB6 probiotic enables beneficial bacteria to travel through the complete GI tract for optimal stomach and intestinal balance. Two strains of probiotic, Bacillus subtilis and Bacillus coagulans provide a source of live (viable) naturally occurring microorganisms. Wholesome bone broth provides nutritional support for healthy immune system function.