Royal Canin Veterinary Diet Glycobalance S/O Index Dry Cat Food, 4.4-lb bag

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This prescription item requires vet approval. Details


Poor kitty. Nobody likes to see their pet suffer from diabetes, but if your cat is, Royal Canin Veterinary Diet Feline Glycobalance DS Dry Cat Food will make things easier. The special formula is loaded with L-Carnitine and antioxidants that boost health, and the right mix of nutrients keep glucose levels in check. The best news? It's tasty, too, so mealtime is still a special part of the day. A prescription is needed from your cat's vet for this dry food.

Key Benefits

  • Complete and balanced prescription dry cat food for healthy blood glucose maintenance in cats that have been diagnosed with diabetes
  • Highly palatable, high-protein prescription food that helps nutritionally minimize glucose fluctuations, supports healthy blood glucose maintenance and ideal weight in cats
  • Specially formulated for a veterinary dietary management program
  • Contains a combination of prebiotics and both soluble and insoluble fibers helps minimize glucose fluctuations
  • This diet promotes a urinary environment unfavorable to the development of both struvite and calcium oxalate crystals

Note: Royal Canin Veterinary 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

See all items by Royal Canin Veterinary Diet

  • Item Number
  • Weight
    4.4 pounds
  • 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 Meal, Corn Gluten Meal, Soy Protein Isolate, Ground Corn, Barley, Chicken Fat, Natural Flavors, Brown Rice, Powdered Cellulose, Dried Beet Pulp (Sugar Removed), Psyllium Seed Husk, Potassium Chloride, Anchovy Oil (Source of EPA/DHA), Soya Oil, Fructo-Oligosaccharides, Calcium Carbonate, Potassium Citrate, Choline Chloride, Taurine, Vitamins [Dl-Alpha Tocopherol Acetate (Source of Vitamin E), L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Niacin Supplement, Biotin, Riboflavin Supplement (Vitamin B2), D-Calcium Pantothenate, Pyridoxine Hydrochloride (Vitamin B6), Vitamin A Acetate, Thiamine Mononitrate (Vitamin B1), Folic Acid, Vitamin B12 Supplement, Vitamin D3 Supplement], Tea (Green Tea Extract), Trace Minerals [Zinc Proteinate, Zinc Oxide, Ferrous Sulfate, Manganese Proteinate, Copper Proteinate, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite], Marigold Extract (Tagetes Erecta L.), L-Carnitine, Rosemary Extract, Preserved with Natural Mixed Tocopherols.

Caloric Content

3,512 kcal/kg, 390 kcal/cup

Guaranteed Analysis
Crude Protein 44.0% min
Crude Fat 10.0% min
Crude Fiber 6.8% max
Moisture 10.0% max

Feeding Instructions

Weight Daily Feeding (Cups)
4.4 lbs 1/4
6.6 lbs 3/8
8.8 lbs 1/2
11 lbs 5/8
13.2 lbs 5/8
15.4 lbs 3/4
17.6 lbs 3/4
19.8 lbs 7/8
22 lbs 1

1 cup = 8 oz

Feeding guides 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 weigh 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.

Frequently Asked Questions

How are Royal Canin diets preserved?

All of our dry diets are preserved naturally with mixed tocopherols, citric acid, and rosemary extract. Our canned diets are naturally preserved and sterilized during the cooking and canning process.

Where do the ingredients in Royal Canin diets come from?

We select our ingredients based on multiple factors, including the supplier’s compliance with our quality and food safety requirements, consistent availability, and on the nutrients required to meet the dietary needs of the pet.

Royal Canin is making strides towards sustainability by attempting to obtain sources of raw materials as close to each manufacturing facility as possible. In some cases, we use international suppliers, because only those suppliers can offer raw materials that comply with our quality and food safety standards.

Why do some Royal Canin diets contain by-products?

Royal Canin chooses ingredients because they deliver high-quality nutrients that support our customized pet food formulas. Using chicken by-product meal instead of chicken meal for example will allow Royal Canin to maintain its highly customized nutrient standards while achieving a more secure and sustainable supply.

Why do some Royal Canin diets contain grains?

Grains can be a healthy part of any cat or dog’s diet. As always, we focus on the nutrients each ingredient provides and grains can provide many important nutrients.

How do you ensure Royal Canin diets are safe for my pet?

Our Quality and Food Safety systems are state-of-the-art and we continue to invest heavily in new technology to make sure they remain that way.

  • We put our suppliers through a rigorous selection process that doesn’t end with our first purchase.
  • We monitor every load delivered to our plants to verify the safety and quality of the ingredients we use to make pet food.
  • We perform tests on finished pet foods before they are shipped to our customers.
  • We manufacture every pet food we sell, in plants that we own; our plants are ISO 9001:2008 certified for Quality Management and ISO 22000 certified for Food Safety.

How do I know which Royal Canin diet is right for my pet?

Based on size, age, lifestyle, and breed, each cat or dog has unique nutritional needs. For healthy pets, use our Product Selector to find the right diet for your cat or dog.

If your pet is experiencing health issues, please refer to your veterinarian for more information. Your veterinarian will consider multiple factors when recommending an appropriate diet.

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98 reviews 98 Reviews 4.8 out of 5 Stars

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99% of reviewersrecommend this product

4.8 / 5
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  • Cat loves it!

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    I had to put my cat on this after the vet diagnosed him with diabetes. He loves the taste and cant get enough. I don't love the price or the fact that it doesn't come in a larger more economically sized bag. I shopped around before purchasing on this site and they have the best price available. I hope it helps his diabetes.

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  • Royal Canin Glycobalance

    By on

    I researched foods for my cat and liked this one the best. My cat was recently diagnosed with Diabetes and needed a change in her diet. She loves this food, and I know it is good for her too. Very happy with my choice.

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  • Cats like it!

    By on

    My vet recommended this (together with the canned) for my diabetic cat. The good thing is, he likes it. The sort of bad thing is, so do my other cats. I would have no problem with the other cats eating it (in fact, they do in addition to their own), but it's a very small bag with a very large price tag. That is why it's only four out of five stars. I wish they could sell a larger bag at a lower price (don't we all)!

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  • This is the way to go!!

    By on

    Particularly for prescription pet food, which requires a trip to the vets office every time the bag runs low, the autoship solves the problem. They are even good enough to call the Vet for the prescription. Can't beat that for service!!

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  • Same as store

    By on

    This was recommended by my vet for my cat who developed diabetes, this product cost less on this site than it does in the store and auto-ship option means no running out of food and no errands to run and pick up more.

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  • Well accepted by diabetic cat

    By on

    I was pleased at how much our diabetic cat enjoys this food. I am not impressed with the primary ingredients, Chicken Meal, Corn Gluten Meal, Soy Protein Isolate, Ground Corn, and Barley. I'd hoped that a high protein real meat based product would work, but we are having too much trouble with insulin not controlling his blood glucose and decided to follow our vet's recommendation to try Glycobalance. Main drawback is trying to keep his tubby brother out of the bowl. I wish it came in a larger, cheaper per pound bag.

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  • The best food for diabetic kitties

    By on

    I started feeding my chunky 19 lb. orange and white boy this food about 9 months ago and I am so glad I did! He used to be 21 lbs. and I think the weight loss is due to the food and it helping to regulate his sugar. He still has a good appetite and prefers dry food to wet so it was really important to find something he would eat that also had nutrition I could trust. I'm thrilled--chubby kitties aren't usually finicky too, but he is.

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  • Cheddar is Better :)

    By on

    Thanks to a quick response from Chewy for our new diet prescription, our sweet orange tabby is getting better. He had lost 3 pounds and was diagnosed with diabetes. He loves his new food! I believe we all fear that our pets will not like change but, as we transition him with a mix of his old food with the new, Cheddar picks out the new dry food from the old urinary dry food. Smart boy. Thanks, Chewy for being so polite and caring as you process all of our requests.

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  • total lifesaver

    By on

    My cat has multiple medical conditions and has been on prescription food for most of his life. Having a history of urinary blockages, it's great that this diet is s/o indexed. My cat went off insulin within months of this food change. He's an underweight cat so it's hard to keep weight on him but he has enjoyed this food and hasn't lost weight refusing to eat or anything like that.

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  • My boys love it!

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    My 10 year old cat just became diabetic and the vet recommended this food. Wow was I surprised. Both cats love this food and I couldn't be happier. I've also noticed my cat isn't throwing up anymore. I'll continue buying this and hope my other cats blood sugar levels stay healthy too.

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