So, as long as you're buying a complete commercial pet food, your dog should be getting all the nutrients they need and you don't need to supplement this with anything else. UK Pet Food says: 'All 'complete' pet foods must by law contain all the nutrients in the right proportions that a pet needs for healthy bodily function.' Which dog food brand is best for my dog?Īny commercially manufactured dog food in the UK that meets UK Pet Food guidelines will contain complete nutritional requirements for pets, says the British Veterinary Association (BVA). See how brands such as Burns, Harringtons and Royal Canin are rated by customers, as well as supermarket options from the likes of Aldi and Lidl. We've also asked vets for their advice on how to choose the right food and how much to feed. Our unique survey insights reveal which dog food brands are loved by Which? members, offering the best value for money, quality and an enthusiastic response from your canine companions. From dry and wet dog food to raw, there are hundreds of options available, and it can be hard to work out what’s actually best for your pet.