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By Health Condition

r/d® Feline - Dry

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Hill's® Prescription Diet®
r/d® Feline

Weight reduction
Just like the human epidemic, almost 50% of the pet population is overweight. Even a little extra weight can impact the pet's quality of life and relationship with family because that extra weight can reduce play time, impact mobility and affect the lifelong general health of your cat.

Hill's nutritionists & veterinarians developed Prescription Diet® r/d® clinical nutrition especially formulated to support your cat's weight management. In fact, r/d is clinically proven nutrition for healthy weight loss in just 8 weeks.

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100% Guarantee We're confident your pet will enjoy Hill's® Prescription Diet® foods. We're so confident that we offer a 100% money-back guarantee.*

Prescription Diet Foods are made in our own U.S. facilities with ingredients from North America, Europe, and New Zealand, which exceed industry standards for purity and nutrient content.

* 100% Satisfaction Guarantee - if you are unsatisfied for any reason, return the unused portion to the place of purchase for a full refund or replacement.

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Key Benefits

How It Helps

  • Helps metabolize fat and maintain lean muscle
  • Helps your cat feel full & satisfied
  • Supports a healthy immune system

How It Works

  • Therapeutic L-carnatine levels
  • Optimal blend of soluble & insoluble fiber
  • Clinically proven antioxidants

Additional Info

Hill's Prescription Diet® r/d® Feline provides all the nutrition your cat needs during weight loss. 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.

Feeding Guide

Daily Feeding Guide:

Adjust feeding amounts as necessary to maintain optimal weight. If you are unsure, ask your veterinarian.
For best results & safety practices:

  • Gradually transition to your pet's new food over a 7 day period.
  • Exclusively feed the recommended Prescription Diet dry food, wet food & treats.
  • 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 and children.

Feeding transition

Weight Control

Weight of Cat
Weight LossWeight Control
6 lb (2,7 kg) 1/2 cup (45 g) 2/3 cup (60 g)
8 lb (3,6 kg) 5/8 cup (55 g) 7/8 cup (75 g)
10 lb (4,5 kg) 2/3 cup (60 g)1 cup (90 g)
12 lb (5,4 kg) 3/4 cup (65 g)1 1/8 cups (100 g)
14 lb (6,4 kg) 7/8 cup (75 g)1 1/3 cups (115 g)
16 lb (7,3 kg)1 cup (90 g)1 1/2 cups (130 g)
18 lb (8,2 kg)1 cup (90 g)1 5/8 cups (145 g)
Use only as directed by your veterinarian.
Prescription Diet® r/d® Feline is intended for intermittent or supplemental feeding only.

Average Nutrient and Caloric Content

Dry 3018 kcal/kg (265 kcal/cup)

Dry Matter1
Carbohydrate (NFE)35.4
Crude Fiber14.2
Carnitine535 ppm
Vitamin C125 mg/kg
Vitamin E607 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 r/d® Feline contains 3.1 oz. by weight.


Brewers Rice, Chicken By-Product Meal, Corn Gluten Meal, Powdered Cellulose, Chicken Liver Flavor, Soybean Oil, Lactic Acid, Calcium Sulfate, Potassium Sulfate, Choline Chloride, DL-Methionine, Taurine, Glyceryl Monostearate, Potassium Chloride, 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), Iodized Salt, L-Carnitine, L-Threonine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene

r/d® Feline - Dry rd 052742615813,052742589800,052742590301,052742615806,052742589817 6158,5898,5903

Rated 4.6 out of 5 by 53 reviewers.
Rated 4 out of 5 by This product really works The prescription diet cat food works wonderfully. I have been using this cat food for about one year and he's been losing wieght and getting healthier. It takes a little time to start seeing the results but there are indeed results. He loves the taste and waits at the door to be fed. My cat loves the food and I love how it is helping him become healthier. There are two pictures of my cat, Simon. Before he weighted about 23 puonds and now, recently, he weights 17 pounds. He lost about 6 pounds and gained a lot more energy. October 18, 2013
Rated 5 out of 5 by Lexi approves of the flavor. We have an overweight cat named Lexi. In Hills Prescription Diet r/d dry cat food, we have found a lower calorie, high nutrition option about which we feel positive and she actually likes. In fact, she likes the food so much that she crawled into an empty bag, seeking the last, tiny bit of food dust that might still be there. See the picture below. Despite feeding her less, she is fairly satisfied (i.e., she does not pester us for food at night). This cat food does seem to be helping Lexi to shed some weight, but it does appear that this will be part of a progress of getting her to a more appropriate size. Hill's coupons do make the this food much more affordable, but not every veterinarian accepts them. April 11, 2013
Rated 5 out of 5 by The product has worked great for weight loss This product has helped my Georgia loose much needed weight. The transistion was not difficult at all she has enjoyed the food from the start. May 12, 2014
Rated 5 out of 5 by Prescription Diet r/d dry Our cat loves this food. It is easily digestible and the litter box is much easier to scoop. Our cat has finally lost about 1 1/2 pounds on this food so far. I highly recommend. August 15, 2013
Rated 5 out of 5 by This product keeps my pet healthy Finally found a cat food that my cat will eat and keep him from getting crystals. My cat will not touch wet food at all. The combined ingrediants in this product is what he needs and likes October 9, 2015
Rated 4 out of 5 by Good product but too expensive We have had good luck with both the RD and the JD, but find it quite expensive. Coupons are helpful but they are seldom available. October 1, 2015
Rated 3 out of 5 by Not working for my cat He is very overweight and has been on this for several months. Before that, he was on a different prescription weight loss food for about a year. He is not fact, I think he is gaining. I do not over feed him. I give him less than the vet prescribed. He does not eat canned food...[will not, I should say] I have used this with another cat in the past and it worked well, even with free feeding. I wish this worked for him. Perhaps, his having asthma and not being able to run around the house very much is the still thinks he should have lost, though. August 12, 2015
Rated 5 out of 5 by Works Great For Weight Loss! My cat has been on r/d for a while now, and it is the only diet we have had success with for his weight loss. He used to be 22 lbs and he has since dropped down to 15. His quality of life has greatly improved and we both couldn't be happier. Thank you for making such a wonderful product! June 1, 2015
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