The brand encompasses a wide array of products, including a limited selection of pet foods.īon Appetit calls Kirkland Signature “the best store brand there ever was”.
Originally introduced in 1995, Kirkland Signature is Costco’s private label brand. You can see the full report here.Īlso Read: Why We Lab Test Cat Food and How to Interpret the ReportsĪfter that research and testing, I’m ready to bring you the facts about Kirkland Signature cat food. I purchased the products at full retail price and submitted samples of Kirkland’s Maintenance Cat formula to an independent lab.
To get a sense of what this food is like in the real world, I bought a bag of Kirkland Signature dry cat food, and a mixed case of wet food cans, then tested it out with my two cats, Wessie and Forest. On top of those hours of screen time, I did some paws-on testing, too. I’ve done hours of research on Kirkland cat food, studying the brand’s recall history, manufacturing, ingredient quality, and customer experience. We give Kirkland cat food a 39 out of 60 rating or a B- grade.