Every dog has an entire ecosystem living within them — the gut microbiome, full of billions of diverse microbes unique to your pet. With the right nutrients to help balance their microbiome, you can actually affect not only their digestive health, but their overall well-being. That's why we developed Science Diet Perfect digestive small bites dog food with our ActivBiome+ Technology ingredient blend of prebiotics. It's a breakthrough nutrition that supports each dogs unique gut microbiome for healthy digestive and balanced nutrition that helps your dog feel their best.