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Large Adult 5+ Dry Dog Food
Royal Canin

Large Adult 5+ Dry Dog Food

Verified Jun 16, 2026

Dog · Dry Adult Senior Large

This is a complete, maintenance-level dry food designed specifically for large-breed adult dogs around 5 years and older. It uses chicken by-product meal as the main protein source, with grains like wheat, oats, rice, and corn gluten meal providing additional protein and carbohydrates. The formula includes added joint nutrients (glucosamine and chondroitin), prebiotic fibers for stool quality, and a blend of added nutrients to support heart, kidney, and brain function in aging large dogs.

Over-the-counter Meets WSAVA criteria AAFCO No recalls
Official product page
KibbleLab Score
8.4 out of 10

Nutritionally, this is a well-balanced, thoughtfully designed dry food for large-breed adult dogs in their senior years who are otherwise healthy. The protein and fat levels are appropriate for maintenance, and it includes several extras such as joint-support ingredients, prebiotics, omega-rich oils, and targeted vitamin/mineral blends. It relies on grains and by-product meals, which are nutritionally sound choices, though dogs with specific grain or chicken sensitivities would need a different option.

The KibbleLab Score (1–10) is assessed from publicly available product data. Our evaluation is science-based, not marketing-based.

Ingredient composition Quality, beneficial additions, absence of artificial colors/flavors
Nutritional profile Protein, fat, fiber evaluated for stated life stage and food type
AAFCO compliance Complete and balanced certification; feeding trials valued higher
Health considerations Sensitivity profile, DCM risk, processing method
9.0 – 10 Top Pick
8.0 – 8.9 Strong Choice
7.0 – 7.9 Solid Option
6.0 – 6.9 Worth a Conversation
Below 6 Not Recommended

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At a Glance

Health Benefits
Joint Care Antioxidant Support Digestive Health Bowel Health Heart Care Kidney Care Brain Health
Diet & Compliance
Meets WSAVA criteria
Suitable For
Adult Senior Large
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Nutritional Perspective

KibbleLab Review

Strengths

  • Complete and balanced to AAFCO maintenance standards for adult dogs, with appropriate 24% protein and 15% fat for most large-breed seniors.
  • Chicken by-product meal as the lead ingredient provides concentrated, highly usable animal protein, supported by additional plant protein sources.
  • Includes joint-support nutrients (glucosamine and chondroitin) plus fish oil and GLA safflower oil, which contribute omega fatty acids beneficial for aging joints and overall health.
  • Prebiotic fibers (beet pulp, psyllium, fructooligosaccharides) are included to help support good stool quality and digestive health in large dogs.

Considerations

  • Contains chicken by-product meal and multiple grain sources (wheat, wheat gluten), so it is not suitable for dogs with known chicken or wheat allergies or sensitivities.
  • The calorie density is fairly high at about 337 kcal per cup, so portion control is important for dogs prone to weight gain, especially as they slow down with age.
  • Formulated by AAFCO nutrient profiles rather than being validated through feeding trials, so its performance is based on formulation rather than real-world trial data.
Scored using the rubric of an NAVC Certified Pet Nutrition Coach (PNCC). This is informational, not veterinary advice.

Full Ingredient List

chicken by-product meal, wheat, oat groats, brown rice, brewers rice, corn gluten meal, chicken fat, natural flavors, dried plain beet pulp, wheat gluten, fish oil, vegetable oil, sodium silico aluminate, potassium chloride, calcium carbonate, psyllium seed husk, fructooligosaccharides, sodium tripolyphosphate, choline chloride, vitamins [DL-alpha tocopherol acetate (source of vitamin E), L-ascorbyl-2-polyphosphate (source of vitamin C), biotin, D-calcium pantothenate, vitamin A acetate, pyridoxine hydrochloride (vitamin B6), niacin supplement, folic acid, thiamine mononitrate (vitamin B1), vitamin B12 supplement, riboflavin supplement, vitamin D3 supplement], salt, L-lysine, taurine, trace minerals [zinc proteinate, manganese proteinate, zinc oxide, ferrous sulfate, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate], L-tyrosine, glucosamine hydrochloride, GLA safflower oil, marigold extract (Tagetes erecta L.), green tea extract, L-carnitine, chondroitin sulfate, rosemary extract, preserved with mixed tocopherols and citric acid.

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
Chicken By-Product
Chicken by-product is a common protein ingredient in pet foods made from edible parts of the bird not typically consumed by people—such as organs (liver, heart), necks and other tissues—and is used to add protein, flavor and nutrient density. It can provide concentrated protein, essential amino acids, B vitamins and minerals (and may contribute taurine when organ meats are included), but composition and quality vary by source, so pet parents concerned about sourcing, higher ash/fat content or chicken allergies should check the manufacturer’s labeling and quality standards.
02
Wheat
Wheat is a common cereal grain used in pet foods as a source of digestible carbohydrates, some plant-based protein, B vitamins, minerals, and dietary fiber, and it also helps with kibble texture and binding. It provides energy and fiber for many dogs but can cause food allergies or gluten sensitivities in a minority of pets and is generally less ideal as a primary ingredient for obligate carnivores like cats, so pets with known grain or wheat sensitivities should avoid it and calorie intake should be monitored to prevent weight gain.
03
Oat Groat
Oat groats are the whole, minimally processed oat kernels (hull removed) used in pet foods as a source of complex carbohydrates, soluble fiber (including beneficial beta‑glucans), and modest amounts of protein, B vitamins, and minerals. They provide digestible energy and can support gastrointestinal health and weight management when cooked or processed for improved digestibility, but should be used in moderation—especially in cat diets and in pets with grain sensitivities or carbohydrate‑restricted conditions such as diabetes.
04
Brown Rice
Brown rice is a whole-grain carbohydrate and fiber ingredient commonly used in dog and cat foods to provide digestible energy, dietary fiber, and modest amounts of B‑vitamins and minerals; it typically offers more nutrients and fiber than white rice. It’s generally well tolerated and can help with sensitive stomachs, but because it is high in carbohydrates (not a primary protein source) and can contain trace inorganic arsenic depending on sourcing, it should be included in balanced formulations and monitored in overweight or diabetic pets.
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.
As Fed
Crude Protein (min)
24.00%
Low High
Crude Fat (min)
15.00%
Low High
Crude Fiber (max)
3.50%
Low High
Moisture (max)
10.00%
Low High
3787
kcal / Kg
337
kcal / Cup
Moderate
Calorie density category
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

Lifestage Adult
Lifestage Senior
Breed size Large
Texture Kibble
Food type Dry

AAFCO Nutritional Adequacy
What is AAFCO Association of American Feed Control Officials. It sets the nutritional adequacy standards US pet foods are measured against.

Complete & balanced Yes
AAFCO life stages Adult Maintenance
Substantiation Formulation
SIZE HEALTH NUTRITION(TM) LARGE ADULT 5+ is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance.

Brand

Royal Canin

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 Canin
Price tier $$$$
WSAVA Meets criteria

WSAVA publishes criteria for evaluating a manufacturer (qualified nutritionists, feeding trials, published research); it does not certify or endorse brands.

Manufacturer

Company name Royal Canin
Parent company Mars, Incorporated
Founded 1968
Headquarters Aimargues, Gard, France
Manufacturing type In House
Manufacturing country France
Manufacturing region Gard
Manufacturing oversight

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

No recalls on record

Royal Canin Large Adult 5+ Dry Dog Food has no recalls since 2014.

Source: FDA Pet Food Recall Database · Monitored daily

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KibbleLab food report
GREAT BOWL.
8.4 /10 Grade A
Large Adult 5+ Dry Dog Food
Royal Canin · kibblelab.com

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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.

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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.