Walk down any pet-food aisle and the choices are overwhelming. Here's a plain-English comparison of the main formats — the best one is the complete, balanced food your dog does well on and you can afford consistently.
Dry food (kibble)
Convenient, affordable and shelf-stable; good for dental-friendly textures. Quality ranges widely, so read the label.
Wet food (canned)
High moisture and very palatable — helpful for picky eaters, seniors and hydration. Costlier per calorie and spoils once opened.
Fresh / gently cooked
Human-grade, refrigerated meals (often delivered on subscription). Highly palatable and digestible; more expensive and needs fridge/freezer space.
Raw
Some owners prefer raw diets. If you go this route, use a complete and balanced commercial raw product and handle it hygienically — talk to your vet about the food-safety and nutrition trade-offs, especially for puppies or homes with young children.
The one rule that matters
Whatever the format, the label should state it's complete and balanced for your dog's life stage (AAFCO or your country's equivalent). Transition to any new food over 7–10 days.
Not sure how much to serve? See how much to feed a puppy, and track your dog's food and weight in a free PetsAlbum profile.