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Purina ONE®

Purina ONE Hairball Formula Adult Cat Food

Purina ONE Hairball Formula starts with your adult cat’s nutritional needs first to help support her optimal health, inside and out. With real chicken as the number one ingredient – and 0% fillers – all of our high-quality ingredients have a purpose.

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  • A natural fiber blend helps minimize hairballs
  • Omega-6 helps give your cat a radiant coat and healthy skin
  • Crunchy kibble helps reduce plaque build-up and whiten teeth
  • Enriched with vitamins and minerals for strong bones and joints and is highly digestible
  • Veterinarian recommended and proudly manufactured at Purina-owned U.S. facilities


Chicken, corn gluten meal, brewers rice, poultry by-product meal, soybean meal, animal fat preserved with mixed-tocopherols, wheat flour, fish meal, whole grain corn, powdered cellulose, animal liver flavor, soybean hulls, calcium carbonate, phosphoric acid, salt, caramel color, potassium chloride, choline chloride, taurine, zinc sulfate, Vitamin E supplement, ferrous sulfate, manganese sulfate, niacin, Vitamin A supplement, calcium pantothenate, copper sulfate, thiamine mononitrate, riboflavin supplement, Vitamin B-12 supplement, pyridoxine hydrochloride, folic acid, Vitamin D-3 supplement, calcium iodate, biotin, menadione sodium bisulfite complex (source of Vitamin K activity), sodium selenite. J-4185

Feeding Instructions

Calorie Content (fed)
3910 kcal/kg
438 kcal/cup


Cat Size Amount to Feed

5 to 9 lbs. - 1/3 to 2/3 cup
10 to 14 lbs. - 2/3 to 1 cup


Fill your cat's bowl with the recommended measured amount every morning and allow her to eat on a "free choice" basis throughout the day, rather than as a single feeding at mealtime. Food intake required to maintain an ideal body condition will vary, depending on age, activity and environment. Monitor your cat's weight and adjust food amount accordingly. It's Not For All Cats Purina ONE Hairball Formula is specifically formulated for adult cats. If you have a kitten, or a pregnant or nursing cat, feed Purina ONE Healthy Kitten Formula.

Making the Switch to Purina ONE Although you'll be anxious to see the difference Purina ONE can make in your cat, please allow 7 - 10 days to ease the transition from your cat's current food. Each day, simply feed a little less of the previous food and a little more Purina ONE until you're feeding Purina ONE exclusively. This gradual transition will help avoid dietary upsets.

No Supplements Necessary Purina ONE provides 100% complete and balanced nutrition for the maintenance of adult cats. There is no need to add vitamins, minerals or other supplements, unless specifically directed by a veterinarian. Fresh Water, Proper Diet & Veterinary Care Be sure to provide fresh water in a clean container for your cat daily. Proper diet, exercise and veterinary care are the best ways to keep your cat healthy.

If your cat hasn't had a check-up in the past year, please make an appointment today. Recommended daily feeding amounts for adult cats with normal activity (using a standard 8 oz./250 ml measuring cup, which contains approximately 106 g of Purina ONE). Water is essential to your cat's body functions. Provide a dish of clean, fresh water at all times. If your cat refuses water, you can moisten this cat food before serving.

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