By Nature Puppy Dry Dog FoodFormulated for the special needs of puppies with higher levels of proteins and energy to fuel growth and activity. Natural DHA provides fatty acids to help support brain development. Chicken and lamb make a great tasting protein combination that provides more of the building blocks of lean muscle. Highly digestible fibers help promote a healthy digestive tract enabling optimal nutrient absorption and utilization. Vitamins, minerals and antioxidants support your pet's natural defenses against the effects of aging, illness, physical and environmental stress. Taurine for a healthy heart and eye function. Contains absolutely no meat by-products, by-product meal, white rice, brewers grains, grain by-products, artificial flavors, colors or preservatives.