Hydrolyzed Protein Loaf Wet Dog Food
Verified Jun 20, 2026
This is a veterinary therapeutic canned diet for adult dogs that uses hydrolyzed soy protein and hydrolyzed chicken liver, which are broken down into very small pieces to reduce the chance of triggering food reactions. Pea starch provides the main carbohydrate source, while added fiber and fish oil help support digestive function and skin health. It’s designed for dogs who need a hydrolyzed-protein diet under veterinary supervision.
Nutritionally, this is a well-designed hydrolyzed wet diet for adult dogs who have suspected or confirmed food allergies or certain chronic digestive or skin issues. The use of hydrolyzed soy protein and hydrolyzed chicken liver provides highly digestible amino acids with a lower risk of immune reaction, and the fiber blend and fish oil are thoughtful additions for gut and skin support. It’s a strong option when your veterinarian has recommended a hydrolyzed formula, and it’s formulated to be complete and balanced for long-term adult maintenance.
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At a Glance
KibbleLab Review
Strengths
- Uses hydrolyzed soy protein and hydrolyzed chicken liver, which are typically well tolerated in dogs with food allergies or protein sensitivities.
- Complete and balanced to AAFCO standards for adult maintenance, so it can be fed as the sole diet for adult dogs under veterinary guidance.
- Includes a structured blend of fibers (powdered cellulose, gums) and prebiotic-type ingredients that can help support normal stool quality and digestive health.
- Contains fish oil, which is a useful source of omega-3 fatty acids that can support skin and coat health in dogs with dermatologic issues.
Considerations
- Soy is a common allergen for some dogs, so in rare cases even hydrolyzed soy may not be appropriate; this diet should be used only under veterinary guidance, especially for allergy workups.
- This formula is designed for adult maintenance and is not appropriate as the sole diet for growing puppies or pregnant/lactating dogs.
- Pea starch is a main carbohydrate source; while this diet is hydrolyzed and prescription-based, owners of dogs with specific concerns about legumes should discuss this choice with their veterinarian.
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
Water
Water is an essential nutrient and the primary solvent and moisture component in pet foods, especially wet and canned diets, and is also used in processing and to adjust texture and palatability. It is vital for digestion, nutrient transport, temperature regulation and waste removal in dogs and cats; pets must have constant access to clean water as dehydration can quickly lead to serious health issues and requirements increase with activity, heat, or illness, while moisture in wet food can help meet part of their daily needs.
02
Pea Starch
Pea starch is used in pet foods primarily as a carbohydrate binder, thickener and texture agent to help form kibble and provide readily digestible energy, rather than as a protein or fiber source. It is a gluten‑free, highly digestible starch that can increase calorie density and glycemic load (important for overweight or diabetic pets) and, like other pea/legume ingredients used in high amounts in some grain‑free diets, should be part of a balanced formulation chosen with veterinary guidance for pets with special health concerns.
03
Hydrolyzed Soy Protein
Hydrolyzed soy protein is a processed plant protein broken into small peptides and amino acids and is used in pet foods as a digestible protein source and flavor enhancer, often in hypoallergenic or limited‑ingredient formulations. It can improve digestibility and may reduce allergic reactions for some animals, but it may still trigger soy‑sensitive pets, does not supply certain nutrients cats need from animal proteins (e.g., taurine), and formulations should be evaluated for added sodium or flavoring compounds.
04
Cellulose Powder
Cellulose powder is an insoluble, plant-derived fiber commonly used in pet foods as a bulking agent, binder and calorie-diluting texturizer to help control weight and improve stool formation; it is not digestible by dogs or cats and contributes negligible energy or vitamins. While it can aid stool consistency and manufacturing performance, cellulose is non‑fermentable so offers little prebiotic benefit, and high inclusions can reduce palatability or displace nutrients—formulations, especially for cats with lower fiber tolerance, should be balanced accordingly.
05
Hydrolyzed Chicken Liver
Hydrolyzed chicken liver is enzymatically broken-down chicken liver used in pet foods as a highly palatable, easily digested source of protein, amino acids and liver-derived nutrients (notably vitamin A and B vitamins), and it’s commonly included in hypoallergenic or limited-ingredient diets because hydrolysis reduces the likelihood of an allergic reaction. While it can improve digestibility and flavor and add nutrient density, very sensitive animals may still react to hydrolyzed proteins, and concentrated liver ingredients can contribute excess vitamin A or purines if overused, so follow feeding guidelines and consult your veterinarian for pets with known sensitivities or metabolic concerns.
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 Hydrolyzed Protein Loaf Wet Dog Food has no recalls since 2014.
Source: FDA Pet Food Recall Database · Monitored daily
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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.
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