Feline Gastrointestinal Hydrolyzed Protein Dry Cat Food
Verified Jun 8, 2026
This is a veterinary therapeutic dry diet for adult cats that need digestive support or have food-responsive gastrointestinal sensitivities. It uses hydrolyzed soy protein as the main protein source, paired with easily digested carbohydrates and a controlled blend of fibers and prebiotics. The formula is energy-dense with added EPA and DHA, designed to nourish cats while keeping meal volume relatively small to ease the workload on the gut.
Nutritionally, this is a high-quality, purpose-built gastrointestinal diet for adult cats, formulated to be both gentle on the gut and supportive of long-term maintenance. The hydrolyzed soy protein is a good option for many cats with suspected food-responsive GI issues, and the fiber blend plus added omega-3s is appropriate for digestive health. It’s best suited for cats with chronic or recurrent GI problems under veterinary guidance, rather than for healthy cats who don’t need a specialized diet.
The KibbleLab Score (1–10) is assessed from publicly available product data. Our evaluation is science-based, not marketing-based.
KibbleLab may earn an affiliate commission when you buy through a link. No one can pay for a higher score, or to change what we recommend for your pet.
At a Glance
KibbleLab Review
Strengths
- Uses hydrolyzed soy protein, which is generally very digestible and less likely to trigger food-responsive GI signs compared with intact proteins.
- High energy density (3870 kcal/kg; 348 kcal/cup) allows smaller meal sizes, which can help reduce intestinal workload in sensitive cats.
- Balanced fiber sources (pea fiber, beet pulp, psyllium, prebiotics like fructooligosaccharides) to support stool quality and gut microbiome.
- Includes EPA and DHA from fish oil plus higher vitamin E and vitamin C levels, which can help support overall gut and immune health in stressed GI tracts.
Considerations
- Main protein is soy-based; while hydrolyzed, it may not be ideal for cats that do poorly on plant-based proteins or for owners specifically seeking animal-protein–only diets.
- Contains chicken fat and fish oil, so it is not a fully single-protein or completely novel-protein diet for cats with complex multi-protein allergies.
- Formulated for adult maintenance only, so it is not appropriate for kittens or pregnant/nursing cats.
Full Ingredient List
Ingredients and analysis reflect manufacturer data at the time of our last update and can change without notice. Always check the actual product packaging before feeding.
Ingredient filtering helps identify compatible options but is not a substitute for a veterinary elimination diet.
Top 5 Ingredients Explained
01
Soy Protein
Soy protein is a concentrated plant-based protein commonly used in pet foods to boost protein content, improve texture and binding, and provide a cost-effective alternative to animal proteins. It supplies substantial protein for dogs and can be used in cat diets when formulas are properly balanced, but its amino-acid profile and digestibility are generally lower than animal proteins (often requiring supplementation such as taurine for cats), and some pets may have soy sensitivities or be affected by soy compounds, so diets with soy should be formulated and processed appropriately.
02
Brewer's Rice Flour
Brewer's rice flour is a finely milled byproduct of rice processing used in pet foods primarily as a digestible carbohydrate, binder and texture enhancer rather than a significant protein source. It supplies readily available energy and is often well tolerated by dogs and cats (less commonly allergenic than wheat), but it contains little protein or essential nutrients so formulas must be balanced around it; additionally, high-rice diets can be relatively high‑glycemic and rice can accumulate trace arsenic, so it’s best used in moderation within a complete diet.
03
Chicken Fat
Chicken fat is used in dog and cat foods as a concentrated energy and flavor source that supplies essential fatty acids (notably linoleic acid) and aids absorption of fat‑soluble vitamins, improving palatability and supporting skin and coat health. Because it is calorie‑dense, diets must account for added fat to prevent weight gain, and quality (proper rendering and antioxidant protection to prevent rancidity) is important; although fats are less commonly allergenic than proteins, pets with poultry sensitivities may still react in some cases.
04
Pea Fiber
Pea fiber is an insoluble plant fiber derived from peas commonly used in pet foods as a source of dietary fiber and as a texturizer/binder to help form kibble, increase stool bulk, and reduce calorie density; it provides little protein, fat, vitamins, or minerals but can aid satiety and regularity in dogs and cats. While pea fiber can support digestive health and weight management, it may cause gas or looser stools in some pets and — because pea-derived ingredients have been discussed in the context of concerns about grain‑free diets and canine dilated cardiomyopathy — it should be used as part of a balanced, veterinarian‑approved formulation rather than in excessive amounts.
05
Brewer's Rice
Brewer’s rice is a milling byproduct of rice processing made up of small broken white rice kernels commonly used in pet foods as a highly digestible carbohydrate source, filler and binder that provides readily available energy for dogs and cats while contributing little protein, fat or fiber. It is generally gentle on the stomach and cost‑effective, but diets using it must supply other ingredients for essential nutrients; pet owners should note its relatively high glycemic load (relevant for weight or diabetic pets), the potential for trace environmental contaminants associated with rice, and not confuse it with brewer’s yeast.
Nutritional Breakdown
How to read As Fed versus Dry Matter
As fed shows the numbers straight off the label, water included. Dry matter removes the water so you can compare a wet food and a dry food fairly.What is calorie density
How many calories the food packs per unit. Denser foods mean smaller portions for the same calories.Product Details & Brand
Product Specs
AAFCO Nutritional Adequacy
What is AAFCO
Association of American Feed Control Officials. It sets the nutritional
adequacy standards US pet foods are measured against.
What is AAFCO
Association of American Feed Control Officials. It sets the nutritional adequacy standards US pet foods are measured against.Brand
Royal Canin is a premium pet food brand offering highly specific diets tailored to different breeds, life stages, sizes, and health conditions of dogs and cats. The brand is known for its science-driven approach and collaboration with veterinarians and pet professionals.
Visit Royal CaninWSAVA publishes criteria for evaluating a manufacturer (qualified nutritionists, feeding trials, published research); it does not certify or endorse brands.
Manufacturer
Royal Canin operates manufacturing facilities globally with strict quality control processes and adheres to ISO certification standards. The company maintains full traceability of ingredients, follows HACCP principles, and complies with local and international pet food safety regulations including EU and FDA requirements.
Manufacturing details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing.
Recall History
Royal Canin Feline Gastrointestinal Hydrolyzed Protein Dry Cat Food has no recalls since 2014.
Source: FDA Pet Food Recall Database · Monitored daily
Sign up for the full picture
Feeding Calculator
Personalized portion sizes based on your pet's weight, age, and activity level.
Get startedSimilar Foods
Post your cat's report card and challenge friends to check their food.
Frequently Asked Questions
Has Royal Canin ever been recalled?
We have no recalls on record for Royal Canin. We monitor the FDA Pet Food Recall Database daily.
How does KibbleLab rate foods?
Our scores are based on ingredient composition, nutritional profile, AAFCO compliance, and health considerations. We don't penalize by-products, grains, or synthetic preservatives. Brands cannot pay for higher scores.
Is KibbleLab a substitute for veterinary advice?
No. KibbleLab provides data-driven food analysis, not medical advice. Always consult your veterinarian before making dietary changes, especially for pets with health conditions.
KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.
KibbleLab may earn affiliate commissions through product links. No one can pay for a higher score, or to change what we recommend for your pet.
Product data sourced from manufacturer websites, AAFCO statements, and FDA recall database. Last verified dates reflect our most recent data check.
Continue with Google
Continue with Facebook