Iams ProActive Health Indoor Weight & Hairball Care Dry Cat Food

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16-lb bag
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Easily digested Iams ProActive Health Indoor Weight & Hairball Care is formulated to meet the unique needs of indoor cats. It's made with 10% less fat than Original formulas. Fewer calories in combination with fat-burning L-Carnitine, and a special blend of carbohydrates that keep pets feeling full, enables heavy cats to gradually return to a healthier weight. Whole grains, beets and rice support a healthy digestive system, and help reduce hairballs and litter-box odors.

Key Benefits

  • Complete and balanced formula specially designed to help adult cats maintain a healthy weight, reduce hairballs and reduce litter box odors
  • Natural fiber blend to help reduce hairballs
  • L-Carnitine to help burn fat and maintain healthy weight
  • Crunchy texture of kibble helps keep teeth clean and tartar-free
  • Ideal for adult cats 1 year and older

Please note this item has gone through a package change

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  • Item Number
  • Weight
    16.0 pounds
  • Food Form
    Dry Food
  • Lifestage
  • Special Diet
    Indoor, Weight Control

Nutritional Info


Chicken By-Product Meal, Corn Meal, Corn Grits, Ground Whole Grain Sorghum, Dried Beet Pulp, Powdered Cellulose, Chicken, Animal Fat (Preserved with Mixed Tocopherols, a Source of Vitamin E), Dried Egg Product, Natural Flavor, Brewers Dried Yeast, Sodium Bisulfate, Potassium Chloride, Dl-Methionine, Calcium Carbonate, Fish Oil (Preserved with Mixed Tocopherols, a Source of Vitamin E), Choline Chloride, Dicalcium Phosphate, Salt, Vitamins (Vitamin E Supplement, Niacin, Ascorbic Acid, Vitamin A Acetate, Calcium Pantothenate, Biotin, Thiamine Mononitrate (Source of Vitamin B1), Pyridoxine Hydrochloride (Source of Vitamin B6), Vitamin B12 Supplement, Riboflavin Supplement (Source of Vitamin B2), Inositol, Vitamin D3 Supplement, Folic Acid), Minerals (Zinc Oxide, Manganese Sulfate, Copper Sulfate, Potassium Iodide, Cobalt Carbonate), L-Carnitine, Citric Acid, Rosemary Extract.

Caloric Content

3,381 kcal/kg, 274 kcal/cup

Guaranteed Analysis
Crude Protein 28.0% min
Crude Fat 11.0% min
Crude Fat 13.5% max
Crude Fiber 6.5% max
Moisture 10.0% max
Ash 7.0% max
Magnesium 0.1% max
Taurine 0.13.0% min
L-Carnitine 80 mg/kg min
Omega-6 Fatty Acids 1.52% min
Omega-3 Fatty Acids 0.15% min

Feeding Instructions

Weight Weight Maintenance Daily Feeding (cup) Weight Loss Daily Feeding (cup)
4 lbs 1/3 - 1/2 1/4
8 lbs 2/3 - 3/4 1/2
12 lbs 1 - 1 1/4 3/4
16 lbs 1 - 1 1/4 1
22 lbs 1 2/3 - 2 1/3 1 1/2

Transition Instructions

Start by mixing 25% new food with 75% of the current formula. Slowly change the proportions over the next 3 days or so by gradually increasing the new food and lessening the amount of the current food. At the end of the weaning process, you should be feeding 100% of the new food.

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The IAMS Nutritional Difference

IAMS asks you to try their cat food and look for the visible differences their food can make. The difference you'll see in your pet's health comes directly from the nutrients and vitamins you're putting into her bowl every day. IAMS is formulated with premium protein, a unique fiber blend and a customized mix of protein and carbs. The result is a diet that promotes a healthy weight, supports digestive health and gives her energy for all kinds of frisky business.

IAMS Adult Cat Food Products
Healthy Weight

Healthy Weight

Protein is a key ingredient in IAMS cat food recipes. IAMS is made with high-quality protein to help your cat maintain strong, lean muscles. Animal-based proteins like chicken, beef and salmon can help your cat maintain healthy muscle structure and support an ideal weight. And they naturally provide all of the amino acids that cats need to thrive.

Playfulness and Energy

IAMS delivers a customized mix of protein and carbs to keep your cat energized and ready for pouncing and playing. As carnivores, cats need a diet that's high in animal proteins with the ideal ratio of protein to carbohydrates to maintain a healthy energy level. Cats on an IAMS diet are getting essential amino acids, including taurine, plus the amount of carbs they need for hunting feathery toys.

Playfulness and Energy
Healthy Digestion

Healthy Digestion

Getting the right amount and type of fiber is important for your cat's digestive health. IAMS uses a proprietary fiber blend that includes prebiotics and beet pulp. Prebiotics feed the good bacteria in the gut, and beet pulp is a great fiber source that promotes a healthy digestive tract. Every IAMS recipe is tailored to your cat's nutritional needs with the proper level and right kind of fiber for healthy digestion.

Backed by a Satisfaction Guarantee

IAMS is so sure that you'll see a visible difference in your pet that they back their food with a 100% satisfaction guarantee. Their recipes are formulated based on years of research and a dedication to keeping pets healthy through proper nutrition. IAMS believes that the right diet can do amazing things for your pet's health, like aid in weight loss, promote good digestion and increase energy levels.

100% satisfaction guarantee

About IAMS

IAMS is driven by a philosophy of innovation and an emphasis on advanced pet nutrition. Through extensive research and a unique understanding of dietary requirements for dogs and cats, they've developed diets that help pets thrive. Their formulas meet the everyday needs of pets and their owners with options for every household. IAMS is a leader in pet nutrition that has provided 60 years of nutritional excellence with innovative products that help improve the health of pets worldwide.


About IAMS

Customer Reviews

326 reviews 326 Reviews 4.8 out of 5 Stars

98% Recommend

98% of reviewersrecommend this product

4.8 / 5

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  • Picky kitty preferred Iams over Purina One

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    I've had to feed my picky cat Purina One Tender Selects, which I don't like because of some of their ingredients ("animal fat" for instance) for the last few years because he's so particular about his dry food. I decided to try Iams cat food since my dog has been healthy and happy on Iams since I adopted him. The cats went right for the Iams Indoor and their fur and teeth have been looking nicer since I started them on it. I noticed that Iams Indoor has no "animal ___" ingredients ("animal fat," "animal liver flavor," "meat by-products") that come from sketchy sources like rendering plants and seem to always wind up in most mainline cat foods - but not this one. Great product.

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  • It's good food for my indoor cat

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    No problem with fur balls. I'm convinced it helps keep the weight down. Pooperthecat is 4 years old and has been eating this diet exclusively 3 years. He loves the food. He is shiney and soft with bright eyes. He super healthy, and super sleepy. When he's got energy to burn, he's bouncing off the walls playing with toys...Then begs for treats, then sleeps, then poops...

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  • Losing Tummy Fat

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    Two of the kitties were getting an early middle aged spread...and I free feed them, so I figured it was time to reduce the calories. They turned their noses up for one day..and after that are happily crunching on their new diet food. We will wait to see if they lose that extra tummy fat!

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  • Happy Customer

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    My cat loves this food. I have used Iams for years (both cat & dog). All my pets have lived long healthy lives and seem to thrive on Iams. I’d also like to add...I am so pleased with Chewy.com. From ordering, to delivery, to the awesome customer service.

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  • Kitty loves it!

    By on

    Our senior indoor cat is svelte but prone to hacking, coughing, and hairballs. I've been looking all over for this food in brick and mortar stores but without any luck. Thrilled this food arrived promptly and that our cat has been enjoying her new chow so much! (Our cat doesn't have a name - we call her "Cat.")

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  • No hair balls!

    By on

    I have an older cat who needs to watch her figure and a younger long haired cat. This is the perfect combo for my girls! Not one hair ball since I started using tho product. My girls enjoy the taste and are healthy and happy.

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  • This food does everything it says

    By on

    My 2 tabbies have always eaten this food, and it does everything it says. My momma cat had trouble losing her pregnancy weight (she kept raiding the kittens' food bowl), which is why we started buying this food. Our other kitty is from her litter, and we started feeding him this at a year old. They are now 8 and 9 yrs old(guestimate by the vet, as momma was a stray), and have never had hairball or weight issues. I'm staying with Iams for the senior version.

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  • iams catfood

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    My cat is 5 years old and i've always feed her purina indoor cat formula. I thought the switch would be difficult but she loves it! She is more active now and the litter box easier to manage! Having it delivered to my front door is amazing!

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  • Just changed bag color of IAMS.

    By on

    Like to surprise my cats with different good food. I don't know who is more happy to find boxes on my porch.. Your delivery is way to good. Having 5 cats & feed 1 outside feral, I do go thru a lot of food , your delivery has relieved me and my back. No more loading cart, to car, then inside home whew. Thank you.!!!!!

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  • Sooo easy to order

    By on

    Can't believe the ease of finding my preferred brands and ordering from Chewy.com. Received my complete order in just a couple of days. Will happily be a returning customer.

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