Purina Foods/PURINA VETERINARY DIETS OM is a tasty & nutritionally complete diet, clinically proven to help manage obesity in dogs. Dogs kept fit and trim can live up to two years longer than overweight dogs, which is why Canine OM is low in fat & calories to encourage steady, effective weight loss, whilst being high in protein to help your dog maintain muscle mass. Losing weight can also help alleviate other problems, such as osteoarthritis, & its never too late to start! Made with high levels of natural fibres and increased levels of protein to help your dog to feel full & satisfied. Most importantly, Canine OM is mouth wateringly delicious to make sure the weight your dog loses stays lost!Please note, PURINA VETERINARY DIETS OM is not recommended for pregnant mums or growing puppies. For a closer look at PURINA VETERINARY DIETS OM, including feeding guides,click here. Ingredients: Pork heart & liver, poultry heart & liver, rice, mineral, various sugars, pentasodium triphosphate.