BUYING GUIDE · DOG DEALS
How to Read a Dog Food Label
AAFCO statements, protein sources, and the ingredients list — decoded.
April 19, 2026 · 6 MIN READ
AAFCO statements, protein sources, and the ingredients list — decoded.
The first thing to find on any dog food is the AAFCO nutritional adequacy statement. It will say one of two things: "formulated to meet the nutritional levels established by AAFCO" (computer-modeled, no feeding trial required) or "animal feeding tests using AAFCO procedures" (actually fed to real dogs).
The feeding test statement is meaningfully better. It means the food was tested on dogs who did well on it for a sustained period. Most premium foods carry the feeding test claim. Also check the life stage: "all life stages" or specifically "adult maintenance." Puppies and nursing dogs need different nutrition profiles.
Ingredients are listed by weight before processing. The first five ingredients tell you most of what you need to know. You want a named protein — "chicken," "beef," "salmon," "lamb" — as the first ingredient, not "poultry" (a catch-all) or "meat" (could be anything).
"Chicken meal" is not a bad thing. Meal is the dried, rendered protein after water removal — it is more concentrated in protein than whole chicken by weight. "Chicken by-product meal" is different: it includes organ meats, blood, and parts not typically consumed. Not necessarily harmful, but lower quality and harder to source-verify.
Corn, wheat, and soy get a bad reputation they do not entirely deserve — they are not toxic, and they provide energy. But they are cheap, and their presence high in the ingredients list can indicate a food is padding protein numbers with plant-sourced amino acids dogs do not utilize as efficiently as animal protein.
The grain-free trend created its own problem. Foods substituting grains with legumes (lentils, peas, chickpeas) as primary carbohydrate sources came under FDA investigation for a potential link to dilated cardiomyopathy (DCM) in dogs. No causal link has been confirmed, but the research is ongoing. Until it settles, we do not recommend high-legume grain-free diets as a first choice.
The Guaranteed Analysis panel shows crude protein, crude fat, crude fiber, and moisture. A 26% protein dry food and a 10% protein wet food might actually deliver similar protein on a dry-matter basis — wet food is mostly water. To compare fairly, do the dry-matter conversion: divide the nutrient percentage by (100 minus moisture percentage), then multiply by 100.
For an adult medium dog, 18–25% protein on a dry-matter basis is adequate. Active dogs and puppies need more, in the 28–32% range.
Avoid BHA, BHT, and ethoxyquin — synthetic preservatives with unclear long-term safety data in dogs. Natural preservatives are tocopherols (vitamin E), rosemary extract, or citric acid. These shorten shelf life, which is actually a useful signal: a bag with a two-year shelf life is probably packed with synthetics.
Buy bag sizes you will finish in four to six weeks after opening. Oxidation degrades fat quality and vitamin content regardless of preservatives.