Hill's Prescription Diet i/d Small Bites Dry Dog Food is great tasting nutrition for small dogs clinically proven to help settle digestive upsets.This highly digestible food is enriched with electrolytes and B vitamins to ensure easy nutrient absorption and replace lost nutrients. Made with Hill's proprietary ActivBiome+ Ingredient Technology, a special blend of prebiotic fibers, clinically shown to rapidly activate the gut microbiome to support optimal stool quality and digestive health. Fortified with Omega 3 & 6 fatty acids and clinically proven antioxidants to help support a healthy immune system.Hill's Prescription Diet i/d Small Bites Dry Dog Food meets the special nutritional needs of puppies and adult dogs. It is specially created in smaller kibble size to meet the need of your smaller dog or dogs which prefer smaller kibble.