Purina Tonus Dog Chow Puppy with Chicken is a complete and balanced food, specially designed for puppies from weaning to adulthood. Also recommended for pregnant or lactating dogs. Purina Tonus Dog Chow Puppy Recipe with Chicken contains: The right balance of protein, calcium, phosphorus and vitamin D to build strong bones and teeth. Vitamin E that strengthens natural defenses. Rice and beet pulp for greater digestibility and good stool quality.