Nature's Blend, Dr. Marty's Premium Freeze-Dried Dog Food, is a nutrition-packed formula designed to give your dog a healthier, happier life. We blend a variety of meats, fish, ranch-raised beef and duck, and other protein sources with fruits and vegetables for the balanced, complete nutrition your dog needs. We receive all our ingredients fresh, then gently freeze dry them so they're bursting with flavor and nutrition. Nature's Blend is all-natural and free of chemicals and fillers.