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Hill's Prescription Diet

ONC Care with Chicken Dry Cat Food





Clinical nutrition designed to nourish and support cats with serious illness such as cancer


Restorative Care


with Chicken


Dry Food


Adult, Senior



*CM Research 2021

Satisfaction guarantee

If you are unsatisfied for any reason, return the unused portion to the place of purchase for a full refund or replacement

When cats have cancer, ensuring their nutritional needs are met is critical. Therapeutic foods for cats with serious illness such as cancer are designed to help maintain strength and energy as well as encourage eating from the very first bowl.

Hill's nutritionists and veterinarians developed the clinical nutrition of Hill's Prescription Diet ONC Care to specifically help nourish and support cats fighting serious illness such as cancer. This dry food is made with chicken and is designed to be our best tasting nutrition yet, with flavourful fats and highly digestible protein.

The highly digestible nutrients in Prescription Diet ONC Care are easy for pets to absorb and the formula also contains ActivBiome+, a proprietary blend of prebiotic fibres to support a healthy Gastroinestinal microbiome and shown to provide consistent stool quality.

How it works:

  • Irresistible taste in each bowl encourages an enthusiastic appetite
  • Highly digestible protein to help maintain strength & energy
  • Made with ActivBiome+ technology to nourish your cat's gut microbiome

How it helps:

  • Designed to encourage eating, starting with the first bowl
  • Optimal nutrition rich in calories to help support their daily activity
  • Unique blend of prebiotics shown to provide consistent stool quality

Additional info:

Hill's Prescription Diet ONC Care with Chicken Dry Cat Food is a complete and balanced food that provides all the nutrition your cat needs. Please consult your veterinarian for further information on how our Prescription Diet foods can help your cat to continue to enjoy a happy and active life.

For best results, consistent long term feeding of this product is critical for efficacy of the product benefits.

Dry and canned formulas can be mixed or fed concurrently.

Formulated to help

reduce the risk of struvite & calcium oxalate crystals

Made in the USA
with global ingredients you can trust

Proud to have helped

13 million shelter pets globally

find a forever home & counting


INGREDIENTS: Chicken, Corn Gluten Meal, Chicken Fat, Wheat Gluten, Whole Grain Wheat, Cracked Pearled Barley, Egg Product, Hydrolyzed Chicken Liver, Brown Rice, Soybean Meal, Carrots, Chicken Liver Flavor, Coconut Oil, Fish Oil, Ground Pecan Shells, Lactic Acid, Potassium Chloride, Flaxseed, Dried Beet Pulp, Dried Citrus Pulp, Calcium Carbonate, Choline Chloride, Calcium Sulfate, L-Arginine, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Thiamine Mononitrate, Niacin Supplement, Calcium Pantothenate, Vitamin A Supplement, Riboflavin Supplement, Pyridoxine Hydrochloride, Vitamin B12 Supplement, Biotin, Folic Acid, Vitamin D3 Supplement), Taurine, Pressed Cranberries, DL-Methionine, Iodized Salt, Natural Flavors, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Carnitine, Magnesium Oxide, Mixed Tocopherols for freshness, Beta-Carotene.

Adult maintenance

Weight of Cat — lbs (kgs) Amount per Day - cups (grams)
6 (2,7) 1/3 (45)
8 (3,6) 3/8 (50)
10 (4,5) 1/2 (70)
12 (5,4) 1/2 (70)
14 (6,4) 5/8 (85)
16 (7,3) 5/8 (85)
18 (8,2) 2/3 (95)

Ask your veterinarian for specific feeding instructions for your pet.

Daily Feeding Recommendations are only a guide and a place to start.

Grams are the most accurate form of measurement; cups are estimated from grams. For best results:

  • Gradually transition to this new food for 7 days or more
  • Exclusively feed the recommended Prescription Diet dry and wet foods
  • Keep fresh water available at all times
  • Have your veterinarian monitor your pet's condition
  • To prevent suffocation, keep the packaging out of the reach of pets & children.



Days 1-2

Days 3-4

Days 5-6

Day 7

Days 1-2

Days 3-4

Days 5-6

Day 7

Days 1-2

Days 3-4

Days 5-6

Day 7

4183 kcal/kg (581 kcal/cup†)

Nutrient Dry Matter1
Protein 40 %
Fat 25 %
Carbohydrate / NFE 26.4 %
Crude Fiber 1.9 %
Calcium 0.9 %
Phosphorus 0.75 %
Potassium 1 %
Sodium 0.4 %
Magnesium 0.109 %
Taurine 0.36 %
Vitamin E 748 IU/kg
Total Omega-3 FA 1.07 %
Carnitine 550 ppm
Glucosamine 1029 ppm
Chondroitin Sulfate 894 ppm


1The nutrient in the product after moisture is removed. It is used to make direct comparisons of nutrient profiles with differing moisture contents.

†An eight fluid oz. measuring cup of ONC Care with Chicken Dry Cat Food contains 4.9 oz. by weight.

Hill's Prescription Diet™

Groundbreaking nutrition that can save the lives of sick pets and comfort the people who care for them.

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