Ingredient file // Starch
Corn Grits
Refined corn starch for energy, not filler
Corn grits are coarse pieces of the starchy center of the corn kernel, milled free of most bran and germ. In dog food they supply digestible energy and help hold the food together, with little protein, fat or fiber to add.
Role in the food Main nutrition- What it is
- Coarse bits of the corn kernel's starchy endosperm, left after milling takes out most of the bran and germ.
- Made from
- Shelled corn, tempered and degermed
- Main job
- Starch for energy and binding
- Typical amount
- Not published; cereal grains run 30 to 60% of diets
- Watch for
- Aflatoxin, controlled by supplier testing, not visible
- Not the same as
- Ground whole corn or hominy feed
Straight answer
Is Corn Grits safe for dogs?
Read it as starch and judge the rest
Grits tell you part of the recipe's energy comes from refined corn starch, which a healthy dog digests well once cooked. Look above it for a named meat or by-product carrying the protein. Skip grits only for a dog with a proven corn allergy.
- Why it is in the food
- Starch for energy and binding
- How common
- Listed by 2 of the 3,205 foods we track
Our read // In our catalog
In 1 of every 1,603 foods we track
Share of foods that list it
<1%
2 of the 3,205 foods with an ingredient list on file, from 1 brand. 1 dog food topper, 1 wet dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 6. In the top five of 1 food, so it is usually a main ingredient.
Above the salt
Almost always listed before the salt, so there is more of it than a pinch.
Who leans on it
100%
of the foods that list it are from Royal Canin. 1 brand use it in total.
What it is
How it is made
Corn dry mills split kernels into bran, germ and endosperm to make grits, cornmeal and flour for food. Grits are the coarse endosperm pieces, the mill's main product rather than its leftover.2,3,4
- 01 // Source Shelled corn Whole kernels go to a dry mill. In lab milling, germ and pericarp made up about 21% of dry weight.
- 02 // Process Tempered Water is added before milling. One lab method raised kernel moisture from 15 to 23.5% in 18 minutes.
- 03 // Process Degermed and sieved Kernels are broken apart, germ and bran are removed, and the endosperm is sorted by size into grits, meal and flour.
- 04 // Process Leftovers sold on Bran, germ residue and broken pieces are blended into hominy feed, a separate livestock ingredient.
- 05 // Output Corn grits Coarse endosperm pieces, low in fat and fiber. Large and small grits made about 65% of dry kernel weight in lab tests.
What is in it
Composition, dry matter
88
% carbohydrate
Carbohydrate in dry corn grits. It is an energy ingredient, with about 10% protein and almost no fat or fiber.
Why it is in the bag
A main energy source when listed near the top
- Main nutrition
- Supporting nutrient
- Does a job
- Mostly filler
Grits are about 88% carbohydrate on a dry basis, and dogs digested over 99% of cooked corn starch in a controlled trial, so they add usable calories. Labels list ingredients by weight, so grits sitting just below water and the meats are likely one of the food's main energy sources. Far down a list they would be a minor starch. They add little protein; the meats above carry that job.2,5,12
-
01
Digestible starch energy
Grits are about 88% carbohydrate on a dry basis. Once cooked, dogs digested over 99% of the starch in an extruded corn flour diet.2,5
-
02
Binds the food
Starch binds particles, forms a matrix and helps kibble expand in the extruder. Grits supply that starch with little fat or fiber in the way.2,8
-
03
A huge, steady supply
Maize is a major staple grain worldwide and a standard energy source in livestock feed, so grits come from a large milling industry, not a niche crop.1
How much No source gives a typical level for grits. Cereal grains make up 30 to 60% of the dry matter in many dog diets.5
Our read // The claims
What the evidence supports
Strong: controlled studies in dogs agree. Some: small or mixed dog data. Thin: mechanism or lab work only. None: nothing, or the evidence points the other way.
-
Brands say
Grits are an easily digested energy source
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
Cooked corn starch digests almost completely: over 99% in a dog trial of extruded corn flour. But an 8-dog Brazilian trial found degerminated corn about 68% digestible for dry matter, against 82% for whole corn.5,7
-
Critics say
Corn spikes a dog's blood sugar
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
In a dog trial of six starch sources, the corn, brewer's rice and cassava diets gave the highest glucose and insulin in the first 30 minutes. This trial did not look at whether the early rise affects health.6
-
Owners say
Corn is a common allergen for dogs
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
Corn was the trigger in 13 of 297 dogs with proven food reactions, about 4%, well behind beef, dairy, chicken and wheat. It is a real allergen, but an uncommon one.9
-
Critics say
Dogs can't digest corn
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
Cooked, they digest it well. Starch digestibility topped 98% in all six diets of one dog trial, corn included, and corn flour had the highest protein digestibility of six flours in another, 87%.5,6
Straight answers
What owners ask
-
Q01
Is it just filler?
No, it's energyAbout 88% of its dry weight is carbohydrate, and dogs digested cooked corn starch at over 99% in a controlled trial. It supplies calories and helps bind the food. Filler would do neither.2,5,8
-
Q02
Is it worse than whole corn?
Less completeRemoving germ and bran drops fat to about 1.3% of dry weight, against about 4.3% in whole corn, and fiber falls too. One small dog trial also found degerminated corn less digestible.1,2,7
-
Q03
Are these the grits people eat?
Same materialYes. Food grits are coarsely ground corn with the germ and bran largely removed. The composition on this page comes from USDA figures for dry, unenriched yellow grits.2
Who uses it
Brands, best sellers and the company it keeps
Top brands, by foods that list it
Foods that list it / all the brand's recipes we track.
Usually listed with, share of the foods that list it
- Water Sufficient for Processing 100%
- Chicken Liver 100%
- Pork By-Products 100%
- Powdered Cellulose 100%
- Brewers Rice 50%
- Corn Flour 50%
- Chicken 50%
- Fish Oil 50%
- Hydrolyzed Chicken Liver 50%
- Chicken By-Product 50%
- Corn Starch 50%
- Vegetable Oil 50%
On the shelf
Foods that list Corn Grits
2 foods in our catalog list it, highest on the label first.
Sources
What we read
Checked October 1, 2026.
- 1 Maize grain
- 2 Dry-Milled Corn and Corn Products and Health: A Narrative Review
- 3 Hominy feed
- 4 Laboratory measurement of yield and composition of dry-milled corn fractions using a shortened, single-stage tempering procedure
- 5 Evaluation of selected high-starch flours as ingredients in canine diets
- 6 Effects of six carbohydrate sources on dog diet digestibility and post-prandial glucose and insulin response
- 7 Nutritional evaluation of extruded cereals for dogs
- 8 Extrusion Processing Modifications of a Dog Kibble at Large Scale Alter Levels of Starch Available to Animal Enzymatic Digestion
- 9 Critically appraised topic on adverse food reactions of companion animals (2): common food allergen sources in dogs and cats
- 10 Aflatoxin Poisoning in Pets
- 11 Simultaneous distribution of aflatoxins B1 and B2, and fumonisin B1 in corn fractions during dry and wet-milling
- 12 21 CFR 501.4: Food; designation of ingredients