Hill’s Science Plan PERFECT DIGESTION SMALL & MINI Puppy food with Chicken & Brown Rice Contains ActivBiome , a Hill’s exclusive blend of prebiotics to nourish your dog’s unique microbiome and help them reach their full potential. 100% balanced nutrition with high quality protein to support optimal growth With Activbiome , a Hill’s exlusive blend of prebiotics to help nourish the unique gut microbiome for a healthy digestive tract with brown rice, gentle on small stomachs supporting the weaning process