Hill's Prescription Diet y/d Thyroid Care with Chicken Canned Cat Food, 5.5-oz, case of 24

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Prescription Diet y/d is the safe, effective and easy way to manage thyroid health. Clinically proven nutrition to restore thyroid health in 3 weeks.

Key Benefits

  • Clinically proven nutrition to restore thyroid health
  • Improves thyroid health in 3 weeks (when fed as the sole source of nutrition)
  • Complete daily nutrition with a taste your cat will love
  • Supports kidney health with controlled phosphorus and low sodium
  • Helps maintain bladder health with controlled mineral levels
  • Promotes heart health with essential nutrients like taurine and carnitine
  • Promotes healthy skin and a luxurious hair coat with high levels of omega-3 and -6 fatty acids

Special Note

Hill's Prescription Diets require a veterinary prescription. This product will not be shipped until a copy of a valid prescription authorization is faxed to 1-800-619-7973 or e-mailed to rx@chewy.com.

See all items by Hill's Prescription Diet

  • Item Number
  • Food Texture
  • Brand
  • Food Form
    Wet Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Prescription Food

Nutritional Info


  1. Water, Liver, Meat By-Products, Chicken, Whole Grain Corn, Rice Flour, Chicken Fat (Preserved with Mixed Tocopherols and Citric Acid), Chicken Liver Flavor, Powdered Cellulose, Calcium Carbonate, Fish Oil, Dried Yeast, Potassium Chloride, L-Lysine, Dl-Methionine, Guar Gum, Vitamin E Supplement, Taurine, Choline Chloride, Salt, L-Cysteine, Thiamine Mononitrate, L-Carnitine, Dicalcium Phosphate, Ferrous Sulfate, Zinc Oxide, Ascorbic Acid (Source of Vitamin C), Niacin, Copper Sulfate, Manganous Sulfate, Pyridoxine Hydrochloride, Beta-Carotine, Calcium Pantothenate, Vitamin B12 Supplement, Riboflavin, Biotin, Vitamin D3 Supplement, Folic Acid.

Caloric Content

  1. 188 kcal/5.5 oz can
Guaranteed Analysis
Crude Protein 8.0% min
Crude Fat 6.0% min
Crude Fiber 1.5% max

Feeding Instructions

Because iodine intake from other food sources -- treats, another cats food, etc. -- can compromise the effectiveness of low-iodine nutrition, its critical that you follow your veterinarians feeding instructions carefully and feed only y/d.Adjust feeding amounts as necessary to maintain optimal weight. If you are unsure, ask your veterinarian. For best results & safety practices: Cover and refrigerate unused portion. Gradually transition to your pets new food over a 7 day period. Exclusively feed the recommended Prescription Diet dry food & canned food. Keep fresh water available at all times. Have your veterinarian monitor your pets condition.

Transition Instructions

A gradual transition to a new pet food is important to avoid digestive upset. To transition, mix your pet’s current food with the new food. Over 7 days, gradually decrease the amount of the current pet food while increasing the amount of new pet food. In some cases, your veterinarian may recommend no transition or a shorter transition time.

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Customer Reviews

Rated 4.1 out of 5 by 80 reviewers.
Rated 2 out of 5 by Our little cat had eagerly eaten the y/d thyroid canned food without chicken, but he refused the new formula with chicken. My first experience with Chewy, com was very favorable - helpful staff and very quick delivery. Our cat, who'd just recently been diagnosed with a thyroid problem, had started his diet on y/d without chicken, obtained from the veterinarian. However, he refused the new formula with chicken. We are now contemplating the radioactive thyroid treatment instead of diet. I was very impressed with the understanding representative at Chewy.com, who gave us a refund and suggested we take the remaining cans of food to a local animal shelter. Many thanks to the good people at Chewy.com. I only wish that Hills would bring back the oiriginal y/d formula. October 11, 2016
Rated 1 out of 5 by Cat didn't like it I tried mixing it with her regular food, then slowly putting her on just this food. She wouldn't touch it. She didn't eat for over a day so I had to put her back on her preferred food. The other thing that really bothered me was that the only choice was to order a case rather than just a few cans. Now I'm out over $50 for something my cat wouldn't eat. October 16, 2016
Rated 5 out of 5 by Works great for managing hyperthyroidism Our cats have been on this for a few months now and our 1 cat is now within the normal thyroid range and our second cat is almost there! They love the taste and enjoy the y/d dry cat food as well. October 11, 2016
Rated 4 out of 5 by This has helped our kitty When our kitty was diagnosed we were thankful there is a treatment . We purchased the can and dry food and she started to improve quickly. Our only complaint is there is only one flavor, she tires of the same flavor ... Otherwise, this is a great way to treat your hyperthyroid cat September 18, 2016
Rated 4 out of 5 by Great results We were able to get results in 30 days! Our cat loves this and the dry version. September 18, 2016
Rated 5 out of 5 by Serves its purpose When my cat was diagnosed with hypothyroidism I thought I only had 1 choice available to me, medication. It was found that after taking the pills for a short time, the pills did a number to her blood levels(which could be an actual side effect to the meds). My next option was to try this food & so far so good!! Her thyroid levels are much better than what they were & she loves it!! We do both wet & dry & she eats it all up!! She seems like a happy kitty & a happy kitty makes a happy Mommy :) September 2, 2016
Rated 5 out of 5 by Very palatable food My cat loves this prescription food! She looks forward to meals now. September 10, 2016
Rated 5 out of 5 by Addresses hyperthyroidism This product addresses our cat's need to avoid foods with iodine content. The hope is to avoid the need for prescription drug maintenance of the problem. September 10, 2016
  • 2016-10-31 T07:01:04.563-05:00
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