How to actually read a dog food label.

The front of the bag is marketing real estate, and you can take most of it with a grain of salt. Holistic, premium, vet-formulated, natural, biologically appropriate - none of those words are regulated, and none of them get scored by PetScored. Turn the bag over. The back is where the rules actually apply, and it is where any honest read of a recipe starts.

Four panels are worth your attention. Two are required on every bag sold in the United States. Two are easier to mislead you with than you would expect. We will take them in turn, and tell you which ones you can skim.

1. The box of percentages (the guaranteed analysis)

This is the little four-line table near the top of the back of the bag, the one labeled guaranteed analysis. It promises you crude protein, crude fat, crude fiber, and moisture, as floors or ceilings. These are the numbers we lean on hardest when we build the Nutrition Fit score, so they are worth a look.

Here is the trick most people miss. Those percentages count the water still in the food (the label calls this as-fed). So a kibble that says 30% protein at 10% moisture is actually a far higher-protein recipe than a wet food that says 12% protein at 78% moisture, even though the wet number sounds bigger. To compare the two fairly you have to mentally pour the water out, what the industry calls a dry-matter basis: divide the as-fed number by (100 minus moisture), then multiply by 100. You do not have to do that math in the aisle. We run the conversion for you on every scorecard.

2. The ingredient list

The ingredients are listed heaviest-first, but the weight is measured before cooking, and that one detail trips up almost everyone. Whole chicken is roughly 70% water; chicken meal is that same chicken with the water cooked out and concentrated. So a bag that lists chicken first and chicken meal third is not necessarily higher-protein than a bag that lists chicken meal first and rice second. The order on its own does not tell you as much as you would think.

What you actually want to see is specific names. A named animal source(“chicken,” not “animal byproduct”), and a named grain (“brown rice,” not“grain products”). We give credit for that specificity. What we do not do is punish byproducts or meals by default, because in our view those are honest, useful ingredients that just happen to have bad PR.

3. The AAFCO adequacy statement

This is the small-print line that reads something like “X is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for [life stage].” In plain terms, it is the closest thing to an official sign-off that the recipe covers the basic nutrient minimums for the life stage it names. It is easy to skip, and worth the few seconds.

Read it for one word, because there are two versions. Formulated means the brand worked the numbers out on paper: cheaper to do, weaker proof. Animal feeding tests using AAFCO procedures substantiate that… means they actually fed it to dogs and watched: more expensive, much stronger. We give the second version more credit than the first.

Then check the life stage it names, because that is really a statement about who the food is notfor. “Adult maintenance” means it is not adequate for puppies, large-breed growth, or pregnant dogs. “All life stages” covers growth too. And “all life stages except large breed puppy” is a real, important exclusion if you have a Lab in the house.

4. The calorie content statement

This is the dull one, and it has been required on every bag since 2017. It gives you kcal per kilogram of food and kcal per cup (or per can). Dull, but useful: it is the number that tells you how much to actually pour into the bowl, and it is what feeds our Value sub-score. We compare cost per 1,000 kcal, which is the only fair way to price two bags against each other when one is denser than the other.

Here is why density matters to your wallet. A bag at 4,180 kcal/kg packs more calories than one at 3,500 kcal/kg, so it feeds your dog longer for the same weight, and it is often cheaper per meal even when the sticker price is higher. The label hands you the numbers. The math from there is yours, or ours.

What the front of the bag is doing while you read the back

Three things, and you can safely tune out all of them:

• Adjectives.“Holistic,” “premium,” “biologically appropriate,” “natural,” “ancestral.” None of those words are regulated, so none of them promise you anything.
• Stock photography. A bag with a glistening side of beef on the front is not legally required to contain a meaningful amount of beef. The ingredient list is what decides; the photo is just there to make you hungry on its behalf.
• Vet endorsements.“Vet recommended” usually means the brand surveyed a handful of vets. “Vet-formulated” can mean a single veterinarian was paid to consult. Neither phrase tells you the bag clears a clinical bar.

If you only have ninety seconds

Standing in the aisle with no time to spare? Check four things, in this order: the AAFCO statement (does it cover your dog’s life stage?), the first three ingredients (are they named?), the calorie content (do you know how much to feed?), and the brand (any recent recall? Check our recall index).

That is the part that earns your attention. Most of the rest of the bag is decoration.

- The PetScored desk. Want the full reasoning behind the scores? It is all in our dog food methodology.