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    Whether you buy your dog food or make it yourself, your dog needs a balanced diet to stay healthy. That includes a mix of:

    • Proteins
    • Carbohydrates
    • Fats
    • Vitamins
    • Minerals
    • Water

    To make sure the dog food you buy has the right mix of nutrients, look for the words "complete and balanced nutrition" on the label.

    You might also see "Meets the nutritional requirements of dogs established by the Association of American Feed Control Officials (AAFCO)" or "Complete and balanced nutrition for dogs based on AAFCO feeding trials."

    Both dry and canned dog food will give your dog good nutrition. Some experts prefer dry food because it may help keep teeth and gums healthy.

    If you make your own dog food, get the advice of your vet for recipes that are "complete and balanced."

    Essential Nutrients

    Here's why nutrients are good for your dog:

    Proteins. Body tissues are made up of proteins. Your dog's body makes only 13 of the 23 amino acids that are the building blocks of proteins. The other 10 have to come from meat and plants.

    Fats give your dog energy. They also help keep your dog's skin and hair healthy. Some important fatty acids for your dog are:

    • Omega-6 -- linoleic acid
    • Omega-3 -- DHA and EPA

    Your dog's body can't make enough essential fatty acids on its own, so he needs to eat food that has them.

    Carbohydrates come from plants. When your dog eats grains and vegetables, he gets:

    • Sugars
    • Starches
    • Fiber

    Carbs power the tissues in your dog's body. They also help keep your dog's intestines healthy.

    Vitamins and minerals. These are needed for many of the chemical reactions in your dog's body, such as building bones and keeping them strong.

    Your dog can get all the vitamins and minerals he needs in "complete and balanced" dog food, including:

    Dogs don't have to have vitamin C in their food because their bodies make it.

    When he eats nutritious food, your dog doesn't need vitamin or mineral supplements. Always check with your vet before giving supplements.