To make recommendations for your pet's individual needs we use information from the NRC and from peer-reviewed veterinary resources to determine the key nutritional components for each condition. From these findings, we determine the meals best suited for our recommendations. Importantly, Tom&Sawyer does not provide veterinary medical diagnosis and treatment for the prevention, correction or alleviation of disease, pain, injury or otherwise and provides information only and does not substitute for appropriate professional veterinary care. We do provide nutritional information for you to use in consultation with your veterinarian.