Hydrolyzed Protein Small Dog Dry Dog Food
Verified Jun 15, 2026
This is a veterinary hydrolyzed-protein dry diet for adult small-breed dogs, using hydrolyzed soy as the primary protein source with brewers rice and chicken fat for energy. The formulation is designed to be highly digestible and to help support skin, gastrointestinal, dental, and urinary health in smaller dogs. It’s complete and balanced for adult maintenance, so it can be used as a long-term everyday diet when recommended by your veterinarian.
This is a well-designed therapeutic diet for adult small-breed dogs that need a hydrolyzed protein formula, such as those with suspected food sensitivities affecting the skin or gut. Protein and fat levels are moderate for a small-breed maintenance food, and the use of hydrolyzed soy protein aims to reduce the chance of triggering adverse food reactions. It’s best suited for small dogs under veterinary care who specifically need a hydrolyzed-protein diet rather than for healthy dogs without these concerns.
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At a Glance
KibbleLab Review
Strengths
- Uses hydrolyzed soy protein, which is broken down into very small fragments to help reduce the risk of triggering food-allergic reactions in sensitive dogs.
- Complete and balanced to AAFCO standards for adult maintenance, so it can be fed as a sole diet to adult dogs when prescribed.
- Moderate protein (22% min) and fat (14% min) levels are appropriate for many adult small dogs and can be easier on sensitive digestive tracts.
- Includes fish oil and added nutrients like taurine and antioxidants (vitamin E, vitamin C, marigold extract) that support overall health in a therapeutic diet.
Considerations
- Primary protein source is soy, which is hydrolyzed but may still not be ideal for dogs with confirmed soy allergy on advanced testing.
- This formula is for adult maintenance only and is not appropriate for puppies, pregnant, or lactating dogs.
- Because it is a prescription hydrolyzed diet, any treats or additional foods given alongside it should be carefully chosen with your veterinarian to avoid undermining its purpose.
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
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.
02
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.
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
Natural Flavor
Natural flavor is used primarily as a palatability enhancer in pet foods to improve taste and aroma and is not intended to provide significant nutrients, typically coming from concentrated extracts of meat, poultry, plant, or fermentation sources. While it can increase acceptance in picky dogs and cats, manufacturers are not required to disclose specific sources so pets with known sensitivities or allergies may react, and presence of natural flavor should not be taken as a guarantee of overall product quality.
05
Vegetable Oil
Vegetable oil in pet food is used primarily as a concentrated fat source to boost calorie density, improve palatability and texture, and supply essential fatty acids (typically omega‑6 such as linoleic acid) while helping absorption of fat‑soluble vitamins. It can support skin and coat health for dogs and cats, but nutrient profiles vary by oil type and most vegetable oils lack long‑chain omega‑3s and the arachidonic acid cats require; excessive fat can promote weight gain or precipitate pancreatitis in susceptible pets, so source, quality and inclusion level should be considered.
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 Small Dog Dry 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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