How to Choose Food for Your Cat or Dog

1. Match the food to your pet

First, check that the food is labeled for your pet's species: cat or dog. Then find the life stage in the nutritional adequacy statement, usually in the smaller print on the back or side. Growth refers to puppies or kittens; adult maintenance refers to grown animals. Their nutritional needs differ.

For example, a food labeled only for adult maintenance is not the right match for a growing kitten. A front-of-pack photograph of a young animal is not enough: read the statement itself. If you are unsure when to move from growth to adult food, ask your veterinarian.

2. Check whether it is a complete daily diet

On US labels, look for the nutritional adequacy statement and the words complete and balanced. In plain language, this means the food is intended to supply the nutrients needed as a sole diet for the species and life stage named. The statement also explains how the claim is supported, for example by meeting nutrient standards published by AAFCO (the Association of American Feed Control Officials) or by feeding-test evidence.

Treats and supplements have a different role. If the label says intermittent or supplemental feeding only, do not assume it can replace a complete daily diet. If your veterinarian has prescribed a special diet, follow their feeding instructions.

3. Use ingredients as information, not a quality score

Read the full ingredient list, but avoid choosing a food just because you like its first ingredient. Ingredients are ordered by weight, including their water. A moisture-rich ingredient can appear high on the list without contributing the largest share of nutrients.

The list can help you identify what is included. It cannot, by itself, show how well the finished food meets nutritional needs or how carefully it is made. Familiar-sounding ingredients and an expensive price are not substitutes for evidence. Ask about the finished food and its quality checks, as well as the ingredients.

4. Check calories before deciding the portion

Look for calorie content, often shown as kcal per cup, can or kilogram. Here, kcal means a food calorie. Compare the same units: a cup and a can are not interchangeable measures, and foods can provide different amounts of energy in the same volume.

For example, one cup at 400 kcal contains 100 kcal more than one cup at 300 kcal. These invented figures illustrate a comparison; neither is a suggested daily allowance. A smaller portion of a more energy-dense food can contain the same calories as a larger portion of another food.

Treat the feeding guide as a starting point, then discuss an appropriate amount with your veterinarian. Age, activity and body condition affect individual needs. Count treats and extras too, and measure portions consistently. If your dog needs to lose weight, ask for a plan rather than sharply cutting its usual food.

5. Ask questions the label cannot answer

Keep the exact product name and a photograph of the whole label. When comparing foods, ask the manufacturer three useful questions:

• Who develops the recipe, and what nutrition qualifications do they have?
• How are ingredients and finished batches checked?
• Can you provide the calorie content and a typical nutrient analysis for this product?

A useful answer should explain the process and provide relevant information. A reassuring slogan alone cannot answer these questions. Your veterinarian can help interpret the answers and assess the food for your individual pet. A diagnosed illness, a prescribed diet or a need for weight management makes that discussion especially important.