Royal Canin Veterinary Diet Calorie Control Dry Cat Food

Prescription Item

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15.4-lb bag
  • 6.6-lb bag
  • 15.4-lb bag

This item requires prescription approval. Details

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Help your favorite feline to achieve and maintain a healthy weight with Royal Canin Veterinary Diet Weight Control Formula Dry Cat Food. Created specifically to provide complete and balanced nutrition for adult cats that are less active or overweight, this dry cat food was formulated by veterinarians to provide optimal levels of protein for energy, satisfying fiber to keep your kitty feeling full, and the precise balance of nutrients for the promotion of the ideal feline weight. It also contains an exclusive antioxidant blend that combines the healthfully potent power of vitamin C, vitamin E, lutein and taurine to support a robust immune system, as well as glucosamine and chondroitin to help support bones and joints that have been under stress by excess body weight.

Key Benefits
  • Uniquely formulated by veterinarians to promote an optimal, healthy weight in less active or overweight adult cats.
  • Optimizes gut function and keeps kitties feeling full with the ideal combination of soluble and insoluble fiber.
  • Provides complete and balanced feline nutrition with the ideal mix of protein, fiber, and other essential nutrients.
  • Contains an exclusive blend of antioxidants to help provide support of healthy cells and a robust immune system.
  • Promotes bone and joint recovery from the stress of obesity with the addition of glucosamine and chondroitin.

Prescription Approval

This product requires a veterinary prescription. Simply provide your vet's information during checkout and we'll follow up to confirm. If you have a copy of your prescription, you can expedite the approval process by taking a photo and emailing it to, or by faxing it to 1-800-619-7973.

  1. How To Order

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  • Item Number
  • Weight
    15.4 pounds
  • Brand

    Royal Canin Veterinary Diet

  • Brand

    Royal Canin

  • Food Form

    Dry Food

  • Lifestage


  • Made in

    United States

  • Special Diet

    Sensitive Digestion, High-Protein, Prescription Food, Weight Control

Nutritional Info

Chicken By-Product Meal, Brewers Rice, Corn Gluten Meal, Wheat, Natural Flavors, Wheat Gluten, Powdered Cellulose, Chicken Fat, Potassium Chloride, Dried Plain Beet Pulp, Fish Oil, Calcium Sulfate, Sodium Bisulfate, L-Lysine, Taurine, Choline Chloride, Salt, Vitamins [Dl-Alpha Tocopherol Acetate (Source of Vitamin E), L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Niacin Supplement, Biotin, Riboflavin Supplement, D-Calcium Pantothenate, Pyridoxine Hydrochloride (Vitamin B6), Vitamin A Acetate, Thiamine Mononitrate (Vitamin B1), Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement], Monosodium Phosphate, Glucosamine Hydrochloride, Trace Minerals [Zinc Proteinate, Zinc Oxide, Ferrous Sulfate, Manganese Proteinate, Manganous Oxide, Copper Sulfate, Calcium Iodate, Sodium Selenite, Copper Proteinate], L-Carnitine, Marigold Extract (Tagetes Erecta L.), Tea, Chondroitin Sulfate, Rosemary Extract, Preserved with Mixed Tocopherols and Citric Acid.

Caloric Content

3, 388 kcal/kg, 244 kcal/cup

Guaranteed Analysis
Crude Protein 40.0% min
Crude Fat 8.0% min
Crude Fiber 5.3.0% max
Moisture 8.0% max
Glucosamine 350 mg/kg min
Chondroitin SulFate 25 mg/kg min
Feeding Instructions
Target Weight Weight Loss* Daily Feeding (cup) Post Weight - loss Maintenance Daily Feeding (cup)
4.4 lbs 3/8 - 1/4 3/8
5.5 lbs 3/8 - 1/4 3/8
6.6 lbs 3/8 1/2
7.7 lbs 1/2 - 3/8 1/2
8.8 lbs 1/2 - 3/8 1/2
9.9 lbs 1/2 5/8
11 lbs 5/8 - 1/2 5/8
13.2 lbs 3/4 - 1/2 3/4
15.4 lbs 3/4 - 5/8 3/4
17.6 lbs 7/8 - 5/8 7/8
19.8 lbs 7/8 - 3/4 1
22 lbs 1 - 3/4 1

*Your cat’s individual feeding amount will be determined and adjusted by your veterinarian during the Weight - loss program.

Feeding guidelines are general recommendations only. The amount of food required by your cat may vary above or below that listed in this feeding guide. In consultation with your veterinarian it is recommended that you weight your cat 4 - 6 weeks after starting a new diet in order to adjust food intake to maintain or achieve an optimal body weight and body condition score. Consult your veterinarian for specific feeding guidelines for your cat. This diet is formulated to be complete and balanced. It is unnecessary to feed leftover foods, kitchen scraps or additional supplements. It is recommended that your cat be fed 2 - 4 equal portions of the diet per day. Ensure fresh drinking water is available at all times. Store this product in a cool, dry place.

Transition Instructions

We recommend at least a 7 day transition before you begin feeding the new food exclusively. Start by mixing 75% of the old diet with 25% of the new diet on Day 1 and Day 2. On Day 3 and Day 4, mix 50% of the old diet with 50% of the new diet. On Day 5 and Day 6, mix 25% of the old diet with 75% of the new diet. On the 7th day, you can feed the new food exclusively. This allows your pet’s digestive system to smoothly adapt to the new food.


Why should I buy Vet Diet food online?

Shopping for Vet Diet food is easy! Chewy experts are available 24/7 to answer your questions and guide you through the process. We offer competitive prices, free shipping on orders over $49, and more savings if you sign up for an Autoship subscription.

How do I order Vet Diet food?

  1. Search our website for the diet your vet recommends, then add it to your cart. You can purchase your Vet Diet food with any other goodies you need!
  2. At checkout, you’ll be asked for required information. Enter your pet’s name and type your vet’s name and telephone number.
  3. Place your order, and we’ll take care of the rest!

How will you contact my vet?

Our Vet Diet team will personally contact your vet for approval. If your clinic needs more information from you or recommends a different diet, we’ll let you know immediately.

Does it help if I send you my prescription?

Yes! If you have a paper copy of your prescription, email a picture to, start a chat, or fax your prescription to 1-800-619-7973.

Can I use a prescription written by a veterinarian out of state?

Of course! We can accept valid prescriptions from anywhere in the United States and Canada—that includes US territories, like Puerto Rico.

Why do I need a prescription?

Veterinary diets are formulated with the precise ingredients and nutrients needed to address specific medical issues. If you don’t have a paper prescription, no sweat—once you provide your vet’s information, our team will take over.

Can someone else (such as a caretaker or family member) place an order for my pet?

Yes, but we’ll need them to provide us with your full name or the pet’s owner’s name via phone, email or chat after the order is placed, so the clinic can locate your pet’s records when we contact them.

How can I help expedite my order?

Just follow these simple steps: 1. Create your pet ’s profile on 2. If you have an Autoship scheduled, but you’re running low on refills, contact us ahead of time to let us know if you have a new clinic or if any prescription information has changed. 3. If you have a prescription handy, send it to us before you order—by sending an email to, starting a chat with one of our experts, or faxing us at 1-800-619-7973.

Do I need to set up a pet profile?

We recommend it, but it’s not required. You can create your pet’s profile by logging in at, hovering over your account, and choosing “pet profile.”

Do prescriptions expire?

Yes. Your vet will tell us when your prescription will expire and how many refills we can send before they’d like you to check back in with them.

Can I set up auto refills?

Yep! Sign up for Autoship and we’ll automatically ship your food for as long as your prescription allows. If you run out of refills, or your prescription expires, we’ll automatically contact your vet for a new approval. If we hit any bumps in the road, we’ll let you know right away.

What if I have more questions? How can I reach the Vet Diet team at Chewy?

Email us at, start a chat on, or call us anytime at 1-800-672-4399. We’re here for you 24/7.

Customer Reviews
38 Reviews 38 Reviews 4.8 out of 5 Stars

97% Recommend

97% of reviewersrecommend this product

4.8 / 5

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  • Royal Canin Veterinary Diet Calorie Control Dry Cat Food

    By on

    My cat has been eating this cat food for about 1 month. He loves it and it agrees with his digestive system. We need more time to see if he will loose a few pounds.

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  • My finiky cat actually eats this

    By on

    This is my third prescription for dry food for my over weight cat (23#). She likes treats and dry food that must have too much protein or calories in it. Not only does Shadow like it so do most of my other 8 cats. Since most of my other 8 cats also love to eat this is a good food for them too.

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  • My two fat cats love this food too much but are losing weight

    By on

    At 23 and 24 lbs my two boys were definitely obese so I had to get really serious about getting them to shed pounds and not equate food with love. I tried different diet foods and the only reason they were diet foods was because my cats didn't like them and therefore ate very little.I got approval from my vet to try this food and I was shocked that they loved it. I bought a scale and weigh them every week and they are very slowly losing the weight. It's going to be a long road but it'll be worth it when my cats no longer sound like a bowling ball hitting the floor whenever they jump down.

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  • Royal Canin Calorie Control Dry Cat food is the best

    By on

    I have a fat cat. Red is too fat and he is on the Royal Canin Calorie Control Dry Cat food per my veterinarian. I feed all three cats the same food twice a day. is the best way for me to buy Royal Canin Calorie Control Dry Cat food and it's convenient, too.

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  • This is a winner!!!!!!!!!!!!!!!!

    By on

    Finally, there is a food my cats both love. They would eat it all day long if they could. The directions on how much to feed them to achieve the desired weight is clearly posted on the back of the bag. It is easy to follow.

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  • Cat's Love This Food

    By on Top 1000 Contributor

    Even though it's diet food my cats love it. Everyone has lost a half pound their first month. Every other flavor of Royal Canin didn't make a difference. Thank you Royal Canin and my Vet.

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  • Cat 25 lbs over

    By on

    Squirdward is a big boy and I have tried other diet cat foods but he hated them! Squidward loves Royal Canin Veternary Diet. He is on his way to a healthier weight.

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  • My cats love their new diet food!!!!

    By on

    I love that it's so healthy for them. They only have a couple pounds to lose and better to tackle the problem early. I tried another "diet" dry food and they wouldn't even eat it. They love Royal Canin!

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  • My cat enjoys it and Vet endorsed

    By on

    My cat needs to lose weight and I was concerned he may not like this new food, but he took to it right away. I suggested this brand to our Vet and she said this was a good brand. I am eager to see if he reaches his weight loss goals.

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  • Recent Purchase

    By on

    I like to give my felines variety, since all 3 are on different prescription diets. I tried another prescription weight loss brand, dry and wet. She ate it but I could tell she wasn’t thrilled. I tried the wet version of the RC weight control. She took to it so I decided to try the dry formula. Just got it today. I was a little surprised at how large the morsels are. She took to it but if I had an older kitty or one that had any gum or teeth issues, it may be a challenge. It’s a toasty texture vs. hard so I think it’s easier to eat. I could tell by the sound when she chewed it.

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