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Hill's Science Diet Science Diet
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Kitten Kitten
Adult 1+ Adult 1+
Mature <br/>Adult 7+
Adult 7+
Senior 11+ Senior 11+

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Adult 1+ Adult 1+
Mature <br/>Adult 7+
Adult 7+
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Grain Free


By Health Condition

Mature Adult Active Longevity Original - Dry

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Hill's® Science Diet®
Mature Adult Active Longevity Original

Hill's® Science Diet® Mature Adult Active Longevity Original cat food provides precisely balanced, easy-to-digest nutrition to help your older cat live a long, healthy life.

  • Controlled levels of phosphorus and nutrition to reduce kidney stress in 30 days*
  • Controlled sodium level supports long-term heart & vital organ health
  • Omega-6 fatty acids and vitamin E to improve skin & coat in 30 days*
  • Real chicken #1 with natural ingredients and no chicken by-product meal

*Vs. previously fed grocery foods

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Key Benefits

Recommended For:

Mature cats age 7 and older.

Not Recommended For:

Kittens, pregnant or nursing cats.

BenefitNutrientHow It Works
Reduced kidney stressPhosphorusControlled levels of phosphorus and other vital nutrients clinically proven to help reduce kidney stress in 30 days.*
Healthy vital organsSodiumControlled levels of sodium help maintain a healthy heart and other vital organs.
Healthy skin & shiny coatOmega-6 fatty acidsExclusive blend of omega-6 fatty acids, vitamin E and other nutrients nourishes the skin and promotes a noticeably shiny coat in 30 days guaranteed.*

Additional Info

Healthy choices matter, for both you and your pet. For more than 70 years, Hill's has been advancing knowledge of how to keep pets their healthiest. That means great-tasting, nutritious food with natural ingredients that helps your cat live a long, happy life.

We make every bag of our dry cat food in our own US facilities with highest quality natural ingredients from North America. These ingredients must meet our strict requirements for purity and nutrient content, which exceed industry standards.

By choosing Science Diet, you help us provide food to shelter pets 365 days a year.
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Other Products to Consider

Science Diet is available in a wide variety of foods for your cat's unique needs. Canned cat food is available from Science Diet in several flavors such as delicious Mature Adult Tender Tuna Dinner that your cat will love. Also try Science Diet treats that are sure to please!

Feeding Guide

Daily Feeding Guide:


  • Adjust feeding amounts as necessary to maintain optimal weight. If you are unsure, ask your veterinarian.
  • New to this food? Mix increasing amounts of your pet's new food with decreasing amounts of the old food over a 7-day period.
  • Keep fresh water available at all times!
  • Your pet's nutritional needs may change as they age. Ask your vet at every checkup.
  • Science Diet is available in a wide variety of dry foods, wet foods and treats for your pet's unique needs.
  • To prevent suffocation, keep this bag out of the reach of pets and children.

Feeding transition

Mature Adult

Weight of CatAmount per Day
5 lb (2,3 kg) 1/4 cup (30 g) - 1/3 cup (40 g)
10 lb (4,5 kg) 3/8 cup (45 g) - 1/2 cup (65 g)
15 lb (6,8 kg) 1/2 cup (65 g) - 3/4 cup (95 g)
Science Diet® Mature Adult Active Longevity Original Cat Food is formulated to meet the nutritional levels established by the AAFCO Cat Food Nutrient Profiles for maintenance of adult cats.

Average Nutrient and Caloric Content

Dry 4179 kcal/kg (521 kcal per cup)

Dry Matter1
Carbohydrate (NFE)37.6
Crude Fiber1.8
Carnitine561 ppm
Vitamin C109 mg/kg
Vitamin E744 IU/kg


1The nutrient in the product after moisture is removed. It is used to make direct comparisons of nutrient profiles of products with differing moisture contents.
An eight fluid oz. measuring cup of Mature Adult Active Longevity Original contains 4.4 oz. by weight.


Chicken, Whole Grain Wheat, Corn Gluten Meal, Pork Fat, Brewers Rice, Wheat Gluten, Dried Beet Pulp, Chicken Liver Flavor, Flaxseed, Lactic Acid, Calcium Sulfate, Fish Oil, Potassium Chloride, Soybean Oil, Choline Chloride, Calcium Carbonate, Taurine, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement), minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Carnitine, Iodized Salt, Oat Fiber, Mixed Tocopherols for freshness, Phosphoric Acid, Beta-Carotene, Natural Flavors, Dried Apples, Dried Broccoli, Dried Carrots, Dried Cranberries, Dried Peas.

Mature Adult Active Longevity Original sd feline senior 052742204802,052742710402,052742851600

Hill's® Science Diet® Mature Adult Active Longevity Original 4.8 5 44 44
Proof is in the Kitty I have only feed my cat Hills Science Diet her whole life. I believe it is the good stuff. She just turned 18 years and she is still going strong. The vet could not believe she was a senior cat. She has the softest and prettiest coat. I know that she is getting up in age so I switched her to the Senior Cat food to make sure that she gets what she needs for her age. I would say the proof is in the kitty. Her fur is so soft and shiny - it wouldn't be that way if she wasn't healthy. All my pets get Hills and they all have wonderfully soft and shiny coats. July 24, 2013
Total Nutrition I have had my cats on Hill's Science Diet since they were kittens, they are now 10 and 11 years old and this high quality food through their life stages has definitely given them a strong and healthy immune system. I highly recommend not only Mature Adult Active Longevity but all the Hill's Science Diet products through all life stages of your precious pets. May 18, 2012
Animal 'Health Food' We have two mature Siamese cats who have been on Science Diet products their entire lives. At 13 and 9 years, they are still beautiful and active cats. They've never had a single health problem and their coats are thick and shiny. Your products are 'health food' for animals! Thank You! May 17, 2012
Hills scienced diet My cat is 15yrs young. She enjoy her food(actually thats all she seems to enjoy now in her younger? self. I look to give her the best. April 9, 2014
good food for my cats Mr. Leo & Mr. Sylvester like the food from Hills Science diet. they have not thrown up, and are happy with changeing to hills Science diet. Im happy as being a pet owner and their pet, will Hills science diet, I have gift cards from the food bag & that sure does help. Thank You Hills Science diet for my cats health & good food! God Bless April 7, 2014
Product enjoyed by cats My cats look forward to eating their food. They are happy and energetic. March 31, 2014
Senior Cat Lover Our cats have enjoyed this cat food for many years. Most of our cats live to be nearly twenty years old and are very healthy. They love to play even in old age. If given a chance, they will even scratch open a bag even tho they have food in their bowl so that tells me they love it. March 28, 2014
Great product for multi cat household This product is great for my multi cat household. Even my pickiest of eaters enjoys this product. My IDB cat has done better on this diet than any other (non-veterinary) diet on the market and trust me I have tried MANY of them. Science Diet's reputation and product quality I can count on keeps me a happy return customer! March 13, 2014