Feeding

How to Read a Cat Food Label: What Actually Matters

· 6 min

Front-of-bag claims sell the food; the small print tells you what is in it. Here is how to read the nutritional adequacy statement, ingredient list and guaranteed analysis.

The front of a cat food bag is marketing: glossy photos of roast chicken, words like "natural" and "premium". The information that really tells you whether a food is right for your cat sits on the back or side, in smaller type. Learning to read it takes about five minutes and is one of the most useful skills a cat owner can have.

Start With the Nutritional Adequacy Statement

This single sentence matters more than anything else on the pack. Look for wording such as "complete and balanced" for a named life stage (growth, adult maintenance, or all life stages), based on AAFCO standards in the US or FEDIAF guidelines in Europe.

  • "Formulated to meet" the standard means the recipe was designed on paper (or by software) to hit the published nutrient levels.
  • "Animal feeding tests" means the finished food was actually fed to cats under a test protocol. This is a stronger form of evidence, though it is not a guarantee of quality.
  • "For intermittent or supplemental feeding only" means it is not a full diet. Treats and toppers often say this. Do not feed them as the main meal.

Cats are obligate carnivores and need nutrients such as taurine, which they cannot make in sufficient amounts. A complete food covers these for you.

A cat eating wet food from a dish
Whatever the format, the adequacy statement tells you whether the food is a full diet.

Reading the Ingredient List

Ingredients are listed by weight at the time they are added, heaviest first. That has a few quirks worth knowing:

  • Water inflates fresh meat. Fresh chicken is mostly water, so it can top the list even though a dried "chicken meal" further down may contribute more actual protein once moisture is removed.
  • Splitting. A manufacturer can list several forms of one ingredient separately (for example, different grain fractions), pushing each lower on the list.
  • Named beats vague. "Chicken" or "salmon" tells you more than "meat" or "poultry by-products" without a species.
  • By-products are not automatically bad. Organ meats are nutritious. The concern is vagueness, not the word itself.

Do not read too much into any one ingredient. A short list of recognisable names is not proof of a better food, and a long list is not proof of a worse one. The finished nutrient profile is what counts.

A walk-through of the main sections of a pet food label.

The Guaranteed Analysis

This box lists minimum crude protein and crude fat, and maximum crude fibre and moisture. Two cautions:

  • The numbers are "as fed", including water. A wet food at 78% moisture may show 10% protein while a dry food at 10% moisture shows 34%. They are not directly comparable.
  • Convert to dry matter to compare fairly: subtract the moisture percentage from 100, then divide the nutrient percentage by that figure. For the wet food above, 10 ÷ 22 = about 45% protein on a dry matter basis, which is higher than the dry food's 34 ÷ 90 = about 38%.

"Crude" refers to the lab method, not quality. The analysis also does not say how digestible the protein is.

Other Things to Check

  • Calories per serving (kcal/kg or per can). Required in some regions, and essential for portioning. Weight gain is one of the most common feeding problems.
  • Feeding guide. Treat it as a starting point and adjust to your cat's body condition.
  • Manufacturer contact details and batch codes, useful in the event of a recall.
  • Marketing terms. "Natural", "premium", "gourmet" and "holistic" have little or no regulated meaning on most labels. "Grain free" does not mean low carbohydrate.

Another explanation of the sections of a pet food label.

Special Diets and Your Vet

Cats with kidney disease, urinary problems, diabetes or food allergies often need a therapeutic diet. A label cannot tell you whether a food suits a medical condition, so ask your vet before switching. For healthy cats, change foods gradually over a week or more to avoid stomach upsets.

The Short Version

  1. Find the adequacy statement and confirm it matches your cat's life stage.
  2. Check the guaranteed analysis on a dry matter basis if comparing wet and dry.
  3. Skim the ingredients for named protein sources, but do not over-interpret them.
  4. Use the calorie figure to portion the food.

This article is general information, not veterinary advice. Ask your vet to recommend a diet for your individual cat.

← Back to Blog