The right dog food depends on four key factors. Life stage is the most important starting point — puppy, adult, and senior dogs have significantly different nutritional needs and should always be fed a food labelled for their stage. Breed size matters because small, medium, large, and giant breeds have different caloric needs and growth rates. Health and dietary requirements are critical if your dog has a sensitive stomach, food allergies, weight issues, joint problems, or a diagnosed condition. Ingredient quality is a reliable guide — look for a named protein such as chicken, salmon, or lamb as the first ingredient, and avoid foods where cereals or fillers lead the list. Use the filters on the petshop.co.uk dog food page to search by life stage, breed size, and dietary requirement.

Puppy, adult, and senior dog foods are nutritionally distinct and are not interchangeable. Puppy food is higher in protein, calories, calcium, and phosphorus to support rapid growth and bone development — feeding a puppy an adult food long term can lead to deficiencies during a critical growth window. Adult dog food is formulated for maintenance, providing balanced nutrition for a healthy active dog. Senior dog food is typically lower in calories to account for reduced activity, and usually includes added glucosamine and chondroitin for joint support alongside ingredients that support kidney function and digestive health. Most brands recommend transitioning to senior food from around seven years old, though larger breeds age faster and may benefit from switching earlier.

For dogs with food allergies or a sensitive stomach, the most important thing to look for is a single-source protein food — one that uses a single named meat or fish rather than a blend of proteins, making it straightforward to identify and manage specific intolerances. The food should also be grain-free and gluten-free, removing the most common dietary triggers. James Wellbeloved is one of the UK's most widely recommended hypoallergenic dog food brands, using simple, traceable ingredients across a range of single-protein recipes. Burns is a long-established British brand formulated specifically for digestive sensitivities. For dogs with confirmed allergies diagnosed by a vet, hydrolysed protein veterinary diet foods are available at petshop.co.uk — always consult your vet before switching to a veterinary diet.

Grain-free dog food is not automatically better for all dogs, but it is the right choice for some. Grains such as wheat, barley, and oats are among the most common dietary allergens in dogs — for dogs that react to them, switching to grain-free often results in clear improvements in digestion, coat condition, and energy levels. Grain-free foods also tend to use a higher proportion of animal protein and fewer carbohydrates overall. For dogs with no known grain sensitivity, a high-quality food that includes wholegrains is not harmful — the key is always the overall ingredient quality rather than whether a single ingredient is present or absent. The petshop.co.uk dog food page can be filtered by grain-free to browse all suitable options.

Vets most consistently recommend dog foods with strong clinical nutrition research, a transparent manufacturing process, and proven track records of supporting dog health. The brands most frequently endorsed by veterinary professionals in the UK are Royal Canin, Hills Science Plan, and Purina Pro Plan — all of which are available at petshop.co.uk. For dogs without specific health conditions, vets generally recommend any food that is complete and balanced, appropriate for the dog's life stage, and uses named ingredients from traceable sources.

Dry dog food is cost-effective, easy to store, and has dental health benefits. Wet dog food has a much higher moisture content, supporting hydration and suiting fussy eaters or dogs with urinary conditions. Many owners feed a combination of both. For detailed guides and product ranges for each format, visit the dry dog food page and wet dog food page.

Yes. Next-day delivery is available on all dog food orders at petshop.co.uk when you place your order before 7pm. This applies across all brands, food types, and bag sizes including large 12kg and 15kg bags. Order before the 7pm cut-off and your food will arrive the following day.

Yes. Free delivery is available on all dog food orders over £59.99 at petshop.co.uk, applied automatically at checkout. Most large bag orders qualify on their own. Use the Bottomless Bowl subscription to save on every repeat delivery on top of free delivery — with no minimum commitment and the flexibility to cancel any time.