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What's the best dry food for adult cats: Royal Canin or Merrick?

Updated On September 23rd, 2025

Pet's info: Cat | Persian | Female | unspayed | 1 year and 4 months old | 8.8 lbs

hello, i have now two adult cats who turned 1 year and i was thinking to change their food since it is for mother and kittens, i give them currently the royal canin mother and kittens dry food and i realized recently that "royal canin" is not very good brand, is that right? and i did some researches about "merrick" brand and found out that is really good with natural ingredients so please can you confirm it to me if it is a good brand and if not can you recommend the best dry food for them?

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1 Answer

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Answered By Lauren Jones VMD

Veterinarian

Published on June 25th, 2020

It's really important to consider your sources when it comes to information about pet foods. For example, a popular pet food "review" website here in the US is run by a human dentist with no veterinary training. I recommend feeding balanced diets that meet the World Small Animal Veterinary Association nutrition guidelines (https://wsava.org/global-guidelines/global-nutrition-guidelines/). Examples of these good quality brands, which I recommend, include Royal Canin, Hill's Science Diet, Purina ProPlan, Iams and Eukanuba. All of these brands have been formulated by a veterinary nutritionist and have been appropriately tested. I think Royal Canin (or one of the other brands I'd mentioned) is a much better option than Merrick. I hope this helps and that all goes well!

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