PRO PLAN Adult Small & Toy Chicken Formula with Probiotics provides advanced, everyday nutrition backed by scientifically proven benefits. Real Chicken is the #1 ingredient, and is formulated with highly digestible, quality ingredients for superior nutrient absorption.These recipes help provide targeted benefits, such as high digestibility and high nutrient absorption to support your pet’s long-term health. The small, bite-sized kibble makes chewing easier for small or toy breed dogs. Now with PRO PLAN, you can nourish your pet’s microbiome with probiotics to support their gut, immune and overall health.