K9-Digest is a prebiotic supplement that enhances digestive efficiency and helps to maintain a healthy digestive system. This supplement contains the recommended level of fructo-oligosaccharides, commonly known as FOS, and mannan-oligosaccharides, or MOS (Bio-Mos®), prebiotics which encourage growth of healthy microorganism populations in the gut.  Can be fed to help dogs with delicate digestion, to help maintain a healthy body weight, and to support the immune system.