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Complete or complementary: can this pet food be the main meal?

Check the nutritional adequacy statement before making a food your pet's main diet. A complete food is intended to provide the required nutrients for the stated animal and life stage when fed as directed. A complementary food is not a complete diet on its own.

NutriPet · Reviewed

Find the sentence that explains the food's job

In UK labelling, look for complete or complementary. On US products, look for the nutritional adequacy statement and wording such as complete and balanced. Terms vary by market; ask the manufacturer if the label is unclear. A picture of a full bowl or the word natural does not answer this question.

Sources: [1] [2]

Match the statement to your pet

Check the species and life stage named on the label. Food for adult maintenance is not automatically suitable for a growing puppy or kitten. Complete describes nutritional adequacy for the stated use; it does not guarantee that the food suits every animal or medical condition.

Sources: [2] [3]

Read complementary as a feeding instruction

A complementary product may be a treat, topper or food intended for use with something else. Follow its directions rather than replacing the main diet with it. US labels may state that a product is for intermittent or supplemental feeding only. Some veterinary diets have special directions: follow your vet's plan rather than changing them yourself.

Sources: [1] [3]

Use a three-part check before serving

Read the food's intended role, the animal and life stage, and the feeding directions together. If one is missing, ask the manufacturer before relying on the product as the sole diet. For a pet on a prescribed or restricted diet, ask your veterinary team before adding toppers or changing food.

Sources: [1] [2] [3]

FAQ

Is every pouch of cat food complete?

No. Packaging format does not establish nutritional adequacy. Read the statement on the exact product.

Can two complementary foods make a complete diet?

Do not assume so. Follow a specified combination and feeding directions, or seek veterinary nutrition guidance.

Does complete mean unlimited portions?

No. Nutritional adequacy and quantity are different questions. Follow an individual feeding plan and review portions with your veterinary team.

Sources

  1. Pet food FAQs — UK Pet Food
  2. “Complete and Balanced” Pet Food — U.S. Food and Drug Administration (FDA)
  3. Reading Labels — Association of American Feed Control Officials (AAFCO)

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