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Is limited ingredient dog food better than food with many ingredients?

Updated On September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Female | spayed | 5 years and 1 month old | 17 lbs

Are limited ingredient dog foods typically better than standard brand dog foods or does it not matter? Why or why not? For example is it ok for a dog food to have 40 ingredients versus just 10?

1 Answer

Most Helpful Answer

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Answered By Dr. Macartney, BVet Med, MRCVS

Veterinarian

Published on August 17th, 2017

There are only three pet food brands which are approved by veterinarians. These are science diet, royal canin and purina pro plan. Only these three Have undergone research to ensure they provide an adequate and nutritious diet for pets. This research is approved by veterinarians. Any other food brands may not be regulated or researched as thoroughly. For this reason I would only advise feeding one of those three. If a food has many ingredients which I don't recognise I am concerned about tHe quality of the food.

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