Grain-Free Natural Dog Food with Chicken, Potato and Vegetables. Naturo’s grain-free dog food is ideal for dogs with digestive issues or allergy sensitive dogs. No colours, preservatives or flavours are used in Naturo’s wet dog food recipes or when being cooked. Naturos grain free hypoallergenic wet dog food is suitable for all adult dogs and recommended by many for its hypoallergenic qualities. This sensitive dog food does not contain rice.