Hill's Prescription Diet y/d Thyroid Care Original Dry Cat Food
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Hill's Prescription Diet y/d Thyroid Care 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 to improve thyroid health in 3 weeks when fed as the sole source of nutrition.
- Decreases T4 hormone production while supporting kidney, heart and urinary health.
- Helps support a healthy body condition and a healthy immune system while also promoting a visible improvement in skin and coat.
- Formulated with S+OXSHIELD to meet specific nutrient standards, shown to promote a urinary environment that helps reduce the risk for struvite and calcium oxalate crystals.
- Offers same great taste and benefits as they did prior to the introduction of the S+OXSHIELD seal.
Veterinary Authorization
This item needs authorization from your veterinarian. Simply provide your pet and vet clinic information at Checkout and we'll follow up with your veterinarian to confirm. If you have a copy of your authorization, you can expedite the process by uploading a scan or photo of it to the Prescriptions section in your account or your order confirmation. You can also email it to vetdiet@chewy.com.
Diet Transitioning
Pets can be sensitive to sudden changes in their diets. For this reason, it is extremely important to follow a gradual transition plan to best support your pet's health and product effectiveness. Ask your Veterinarian about the best way to transition your pet to a new food.
Veterinary Authorization
This item needs authorization from your veterinarian. Simply provide your pet and vet clinic information at Checkout and we'll follow up with your veterinarian to confirm. If you have a copy of your authorization, you can expedite the process by uploading a scan or photo of it to the Prescriptions section in your account or your order confirmation. You can also email it to vetdiet@chewy.com.
Diet Transitioning
Pets can be sensitive to sudden changes in their diets. For this reason, it is extremely important to follow a gradual transition plan to best support your pet's health and product effectiveness. Ask your Veterinarian about the best way to transition your pet to a new food.
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Item Number69819
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Weight8.5 pounds
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BrandHill's
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LifestageAdult
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Food FormDry Food
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Special DietPea-Free, Veterinary Diet
Corn Gluten Meal, Pork Fat, Whole Grain Corn, Soybean Mill Run, Egg Product, Chicken Liver Flavor, L-Lysine, Potassium Citrate, Lactic Acid, Dicalcium Phosphate, Fish Oil, Choline Chloride, Calcium Carbonate, Calcium Sulfate, DL-Methionine, Taurine, L-Tryptophan, Brewers Dried Yeast, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Calcium Pantothenate, Vitamin A Supplement, Riboflavin Supplement, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Biotin, Vitamin D3 Supplement), minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganese Sulfate), L-Carnitine, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene
Caloric Content517 kcal/cup
| Guaranteed Analysis | |
|---|---|
| Crude Protein | 30.0% min |
| Crude Fat | 20.0% min |
| Crude Fiber | 3.5% max |
| Phosphorus | 0.45% min |
| Phosphorus | 0.85% max |
| Sodium | 0.3.0% max |
| Iodine | 0.2% max |
| Taurine | 0.15% min |
| Carnitine | 200 ppm min |
| Weight | Daily Feeding (cups) |
|---|---|
| 6 lbs | 1/3 |
| 8 lbs | 3/8 |
| 10 lbs | 1/2 |
| 12 lbs | 5/8 |
| 14 lbs | 2/3 |
| 16 lbs | 3/4 |
| 18 lbs | 3/4 |
Pets can be sensitive to sudden changes in their diets. For this reason, it is extremely important to follow a gradual transition plan to best support your pet's health and product effectiveness. It is recommended to follow at least a 7-day transition plan before exclusively feeding your pet a new food. Cats will often refuse mixed diets, so we recommend adding the new food to a separate bowl from the old food. Start by mixing 75% of your pet's current diet with 25% of the new diet on Day 1 and Day 2. On Day 3 and Day 4, mix 50% of the current diet with 50% of the new diet. On Day 5 and Day 6, mix 25% of the current diet with 75% of the new diet. On Day 7, you can feed your pet the new food exclusively. Ask your Veterinarian about the best way to transition your pet to a new food.
| Transition Day | Current Diet | New Diet |
|---|---|---|
| Days 1-2 | 75% | 25% |
| Days 3-4 | 50% | 50% |
| Days 5-6 | 25% | 75% |
| Day 7 | 0% | 100% |
Why should I buy veterinary diets from Chewy?
We offer competitive prices and free shipping on orders over $49. Plus, you'll save more if you sign up for automatic refills with Autoship at Checkout. Chewy experts are available 24/7 to answer any questions you have.
How do I order veterinary diets?
- Search for the diet your veterinarian recommends and add it to your cart. You can purchase your veterinary diets along with any other items you need.
- At Checkout, you'll be asked for your pet's name and veterinary clinic information so we can confirm that the item is authorized by your veterinarian.
- Place your order and we'll take care of contacting your veterinarian. If you have a copy of your authorization, you can expedite the process by uploading a scan or photo of it to the Prescriptions section in your account or your order confirmation. You can also email it to vetdiet@chewy.com.
If your clinic needs more information from you or recommends a different diet, we'll let you know immediately.
I have a copy of the authorization from my veterinarian. Can I send it to you?
Yes. If you have a paper copy of your veterinarian's authorization, you can upload a scan or photo to the Prescriptions section in your account or your order confirmation. You can also email it to vetdiet@chewy.com.
Can I use a veterinarian's authorization if it was written by a veterinarian out of state? Yes. We accept valid authorizations from anywhere in the United States, Canada, and U.S. territories such as Puerto Rico.
Why do I need a veterinarian's authorization?
Veterinary diets are formulated with the precise ingredients and nutrients needed to address specific medical issues. Because these diets are formulated for medical issues, veterinary authorization is needed to advise you on the best way to give them to your pet and to monitor your pet's health while they are on the diet.
Can someone else (such as a caretaker or family member) place an order for my pet?
Yes, but we'll need them to contact us and provide the full name of the pet's owner after the order is placed. This is so the veterinary clinic can locate your pet's records when we contact them. Email us at vetdiet@chewy.com or call us 24/7 at 1-800-672-4399.
Do authorizations expire?
Yes. Your veterinarian will tell us when your authorization expires and how many refills you have before they'd like you to check back in with them.
Can I set up automatic refills? Yes. Sign up for Autoship at Checkout and select how often you need refills. We'll automatically ship your veterinary diets for as long as your authorization allows. If you run out of refills or your authorization expires, we'll automatically contact your veterinarian for a new authorization.
What if I have more questions? How can I reach the veterinary diets team at Chewy?
Email us at vetdiet@chewy.com, start a chat on Chewy.com, or call us anytime at 1-800-672-4399. We're here for you 24/7.
Groundbreaking Nutrition for Thyroid Health
Hill's breakthrough formula was designed to help felines with hyperthyroidism thrive. Cats with this disorder have an overactive thyroid gland—meaning it produces too much of the thyroid hormone—but limiting iodine in your cat's food can help regulate it. Prescription Diet y/d does that and more, all in a tasty kibble your cat will love. You may even see a difference in as little as three weeks.
Clinical Nutrition
With Hill's, it's not just high-quality ingredients that count. Their focus is on the proper balance of nutrients in every recipe. So, Hill's designed food to help pets with health conditions, providing the right nutrients to support their health. Hill's alliance with veterinarians puts them in a position to find a nutrition recommendation for your pet, no matter what health issue your pet is facing.
Formulated by Veterinarians
Hill's Prescription Diet started with a veterinarian's belief that some health issues could be managed through nutrition. What began as a theory has now been proven through extensive research by a team of over 220 vets, PhD nutritionists and food scientists. The results can be seen in Hill's Prescription Diet therapeutic pet foods.
Meeting the Highest Standards
Providing a food that delivers exactly what it says it does is Hill's number one priority. In fact, they perform over five million safety and quality checks every year. They've established relationships with trusted suppliers and will only accept ingredients that meet stringent standards.
The Taste Factor
You might know that Hill's Prescription Diet is good for your pet, but she's only concerned with the taste. Even though they place a heavy emphasis on nutrition, Hill's hasn't forgotten about palatability. Savory ingredients are combined to produce foods with enticing aromas, textures, and shapes that your pet can't resist.
How Hill's y/d Helps Manage Thyroid Health
Key Nutrients
- Limited Iodine
- High in omega-3 fatty acids
- Controlled phosphorus and low sodium
Health Benefits
- Decreased T4 production
- Supports kidney, heart and urinary health
- Promotes skin and coat health
About Hill's Prescription Diet
Hill's mission is to help enrich and lengthen the special relationships between people and their pet. Their Prescription Diet product line delivers clinically proven nutrition that supports common pet health concerns, from digestive and urinary health to aging and weight management.
Customer Reviews
96% Recommend
96% of reviewersrecommend this product
You've Already Reviewed This Item
266 Reviews
Showing 1-10 of 266 Reviews
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Beyond Expectations!
By Catlover7579 on Apr 29, 2021
My cat has hyperthyroidism and did not react well to the medication. The vet said she may have a bad response to surgery if the medication didn’t agree with her and suggested the food. Within a couple weeks of solely eating the dry food she has gained back her weight and is less symptomatic! I couldn’t be happier with the results!
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Seems to help but expensive
By Nancy on Apr 25, 2021
My cat is very sick with his over active thyroid. He was vomiting often and we tried many different types of cat food but nothing was helping. My vet recommended Hills food which seems to have helped him but it is expensive. We are still trying things out, but are hopeful this will work out in the long run.
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Thyroid Care y/d
By Linny on May 3, 2021
It's taken some time for my two cats to get used to this new diet, but finally taking to this dry part of their regime. I just wish it weren't so darn expensive to feed this and the canned food to two cats! However, I will continue to do so. Linda
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Try this for your hyperthyroid cat.
By Raysofhopeinc on Feb 20, 2021 top250Contributor
This food has lower iodine which does help a cat lower their t4 levels. I have been using this on a cat that also is taking the pills . And it has helped keep his thyroid levels normal. HOWEVER dont just feed this to your cat alone like they suggest. The cat will get tired of the formula and crave other things after a while. Had this happen before . But if you use it along with a NO fish diet and medications . I believe Its a big help rather than upping the methimozole as this has bad side effects as well. So keeping meds to a minimum. Is a PLUS !..4 stars for the high price.. they took out iodine and charge more for the corn.
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He likes it
By Sadie on Apr 1, 2021
My newly diagnosed hyperthyroid cat has been eating this dry food without issues. He prefers it to the wet pate hyperthyroid food. I think it’s because it has small kibble and makes it more palatable. ( He has no dental issues, but prefers small kibble).
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Special food
By Speckles on Apr 28, 2021
I had to switch my 15 year old cat to Y/d . The canned food is ok one day and not the next but the dry food has done well and sometimes I wet it a little and she likes that too.
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Great order and delivery service!
By Samantha on Mar 8, 2021
The entire process from ordering to the product arriving at my door was less than 24 hours! That included coordinating with my Veterinarian to get the Rx as needed. Our cat likes the crunchy food, but she is not so enamored of the canned food (misses her old "junk" food with the gravy, etc.), but her health has rebounded, so all is well!
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vet's choice
By mimi on Apr 27, 2021
my cat does not like the flavor as well as her former cat food, i wish there was more chicken and less chicken liver . also would like another flavor, like turkey.
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Rx food for Smokey
By Ticker104 on Feb 9, 2021
Smokey is a 17 year old, Gray, Female, 6 lbs. Smokey was diagnosed with a Thyroid condition and the Vet recommended I purchase Hills Prescription Diet Thyroid Food. Chewy had the Hill's Rx Cat food in stock. I ordered the food, the food was delivered to the house in a couple of days. Also, the uploading of Smokey's Prescription from the Vet was easy to do. I enjoy doing business with Chewy.
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So far so good
By Debbi on Mar 26, 2021
My only cat was recently diagnosed with hyperthyroidism. I was afraid she might not eat the RX food, but she is! Won’t know exact results til next blood test in April. It is the least invasive of 4 possible treatments.
