Eukanuba Performance Exercise 26/16 is specially formulated to provide the best nutrition for dogs with moderate periods of sustained activity. Eukanuba Performance delivers optimal energy combined with tailored nutrients to help defend against the effects of regular exercise. An enhanced blend of fibers and prebiotics support sporting & working dogs' digestion while a tailored antioxidant cocktail helps defend against free radicals. Glucosamine & chondroitin sulfate with EPA promotes agile joints and DHA & antioxidants support healthy brain function.