When buying dog food, there are a few things you should look for to ensure you're getting a quality product. First, check the ingredient list and make sure it is mostly made up of meat, vegetables, and grains. Avoid products with a lot of fillers like corn or soy. Second, read the label carefully and look for any red flags such as recalls or warnings. Third, research the company online to see if they have a good reputation. Finally, ask your veterinarian for recommendations. By following these guidelines, you can be sure you're giving your dog the best possible food.