Review of Royal Canin Size Health Nutrition Giant Dry Dog Food
Royal Canin Size Health Nutrition Giant Dog Food receives the Advisor’s second-highest tier rating of 4 stars.
The Royal Canin Size Health Nutrition Giant Dog Food product line includes the 3 dry dog foods listed below.
Each recipe includes its AAFCO nutrient profile when available… Growth (puppy), Maintenance (adult), All Life Stages, Supplemental or Unspecified.Use the following affiliate links to check online prices. If you make a purchase through one of these links, we may earn a referral fee. This helps cover the cost of operation of our free blog. Thanks for your support.
|Royal Canin Giant Adult||4||M|
|Royal Canin Giant Junior||4||G|
|Royal Canin Giant Puppy||4||G|
Recipe and Label Analysis
Royal Canin Giant Adult was selected to represent the other products in the line for detailed recipe and nutrient analysis.
Label and nutrient data below are calculated using dry matter basis.
Royal Canin Giant Adult
Dry Dog Food
Estimated Dry Matter Nutrient Content
Ingredients: Chicken by-product meal, brewers rice, chicken fat, brown rice, corn gluten meal, wheat, natural flavors, dried plain beet pulp, pea fiber, wheat gluten, fish oil, vegetable oil, potassium chloride, calcium carbonate, salt, 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], trace minerals [zinc proteinate, manganese proteinate, zinc oxide, ferrous sulfate, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate], taurine, glucosamine hydrochloride, GLA safflower oil, marigold extract (Tagetes erecta l.), magnesium oxide, l-carnitine, chondroitin sulfate, rosemary extract, preserved with mixed tocopherols and citric acid
Fiber (estimated dry matter content) = 4.3%
Red denotes controversial item
|Estimated Nutrient Content|
|Dry Matter Basis||29%||20%||43%|
|Calorie Weighted Basis||24%||40%||36%|
The first ingredient in this dog food is chicken by-product meal, a dry rendered product of slaughterhouse waste. It’s made from what’s left of a slaughtered chicken after all the choice cuts have been removed.
In addition to organs, this item can also include feet, beaks, undeveloped eggs and almost anything other than prime skeletal muscle.
On the brighter side, by-product meals are meat concentrates and contain nearly 300% more protein than fresh chicken.
The quality of this ingredient can vary, depending on the caliber of the raw materials obtained by the manufacturer.
The second ingredient is brewers rice. Brewers rice is a cereal grain by-product consisting of the small fragments left over after milling whole rice. Aside from the caloric energy it contains, this item is of only modest nutritional value to a dog.
The third ingredient is chicken fat. Chicken fat is obtained from rendering chicken, a process similar to making soup in which the fat itself is skimmed from the surface of the liquid.
Chicken fat is high in linoleic acid, an omega-6 fatty acid essential for life. Although it doesn’t sound very appetizing, chicken fat is actually a quality ingredient.
The fourth ingredient is brown rice, a complex carbohydrate that (once cooked) can be fairly easy to digest. However, aside from its natural energy content, rice is of only modest nutritional value to a dog.
The fifth ingredient is corn gluten meal. Gluten is the rubbery residue remaining once corn has had most of its starchy carbohydrate washed out of it.
And less costly plant-based products like this can notably boost the total protein reported on the label — a factor that must be considered when judging the actual meat content of this dog food.
The sixth ingredient is wheat. Wheat is another cereal grain and subject to the same issues as corn (previously discussed).
After the natural flavors, we find beet pulp. Beet pulp is a controversial ingredient, a high fiber by-product of sugar beet processing.
Some denounce beet pulp as an inexpensive filler while others cite its outstanding intestinal health and blood sugar benefits.
We only call your attention here to the controversy and believe the inclusion of beet pulp in reasonable amounts in most dog foods is entirely acceptable.
The ninth ingredient is pea fiber, a mixture of both soluble and insoluble dietary fiber derived from pea hulls. Aside from the usual benefits of fiber, this agricultural by-product provides no other nutritional value to a dog.
From here, the list goes on to include a number of other items.
But realistically, ingredients located this far down the list (other than nutritional supplements) are not likely to affect the overall rating of this Royal Canin product.
With 5 notable exceptions…
First, vegetable oil is a generic oil of unknown origin. The ratio of omega-6 to omega-3 fats in any oil is nutritionally critical and can vary significantly (depending on the source).
Without knowing more, it’s impossible to judge the quality of an item so vaguely described. However, compared to a named animal fat, a generic vegetable oil cannot be considered a quality ingredient.
Next, this recipe contains wheat gluten. Gluten is the rubbery residue remaining once wheat has had most of its starchy carbohydrate washed out of it.
This inexpensive plant-based ingredient can significantly boost the total protein reported on the label — a factor that must be considered when judging the actual meat content of this dog food.
In addition, this recipe contains sodium selenite, a controversial form of the mineral selenium. Sodium selenite appears to be nutritionally inferior to the more natural source of selenium found in selenium yeast.
We also note the use of taurine, an important amino acid associated with the healthy function of heart muscle. Although taurine is not typically considered essential in canines, some dogs have been shown to be deficient in this critical nutrient.
And lastly, this food includes chelated minerals, minerals that have been chemically attached to protein. This makes them easier to absorb. Chelated minerals are usually found in better dog foods.
Based on its ingredients alone, Royal Canin Size Health Nutrition Giant Dog Food looks like an average dry product.
As a group, the brand features an average protein content of 32% and a mean fat level of 16%. Together, these figures suggest a carbohydrate content of 44% for the overall product line.
And a fat-to-protein ratio of about 52%.
Which means this Royal Canin product line contains…
Above-average protein. Near-average fat. And below-average carbs when compared to other dry dog foods.
When you consider the protein-boosting effect of the wheat and corn glutens, this looks like the profile of a dry product containing a moderate amount of meat.
Our Rating of Royal Canin Size Health Nutrition Giant Dog Food
Royal Canin Size Health Nutrition Giant is a grain-inclusive dry dog food using a moderate amount of named by-product meal as its dominant source of animal protein, thus receiving 4 stars.
Has Royal Canin Brand Dog Food Been Recalled?
The following automated list (if present) includes all dog food recalls since 2009 related to Royal Canin.
No recalls noted.
You can view a complete list of all dog food recalls since 2009 here.
Get Free Recall Alerts
Get free dog food recall alerts sent to you by email. Subscribe to The Advisor’s recall notification list.
More Royal Canin Brand Reviews
The following Royal Canin dog food reviews are also posted on this website:
- Royal Canin Adult Breed Health Nutrition Dog Food Review (Canned)
- Royal Canin Breed Health Nutrition Puppy Dog Food Review (Dry)
- Royal Canin Canine Health Nutrition Dog Food Review (Wet)
- Royal Canin Lifestyle Health Nutrition Urban Life Dog Food Review (Dry)
- Royal Canin Size Health Nutrition Large Dog Food Review (Dry)
- Royal Canin Size Health Nutrition Medium Dog Food Review (Dry)
- Royal Canin Size Health Nutrition Small Dog Food Review (Dry)
- Royal Canin Size Health Nutrition X-Small Dog Food Review (Dry)
- Royal Canin Veterinary Diet Hydrolyzed Protein Dog Food Review (Dry)
- Royal Canin Veterinary Diets Gastrointestinal Dog Food Review (Dry)
- Royal Canin Veterinary Diets Selected Protein Dog Food Review (Dry)
A Final Word
The Dog Food Advisor is privately owned. We do not accept money, gifts, samples or other incentives in exchange for special consideration in preparing our reviews.
However, we do receive a referral fee from online retailers (like Chewy or Amazon) and from sellers of perishable pet food when readers click over to their websites from ours. This helps cover the cost of operation of our free blog. Thanks for your support.
For more information, please visit our Disclaimer and Disclosure page.
Important FDA Alert
The FDA is investigating a potential link between diet and heart disease in dogs. Click here for details.
09/25/2021 Last Update