Ingredient file // Animal protein
Turkey Gizzard
Real turkey protein from a small organ
Turkey gizzard is the muscular part of a turkey's stomach, cleaned after slaughter. It adds animal protein to dog food. Its iron and zinc are real, but claims about joint benefits or safety for chicken-allergic dogs go beyond the evidence.
- What it is
- The cleaned, muscular grinding organ from a turkey's digestive tract, used as an animal protein ingredient.
- Made from
- The turkey's muscular stomach
- Main job
- Animal protein
- Typical amount
- Not published
- Watch for
- Raw products can carry harmful bacteria
- Not the same as
- Turkey liver
Our read // In our catalog
In 1 of every 252 foods we track
Share of foods that list it
0%
10 of the 2,523 foods with an ingredient list on file, from 2 brands. 5 dry dog food, 4 frozen dog food, 1 dog food topper.
Each square is 1% of the catalog
Where it sits on the label
Median position 7.5. In the top five of 4 foods, so it is usually a supporting ingredient.
Above the salt
Listed before the salt in 83% of foods. In the rest it is under about 1% of the recipe.
Price per lb
Median of the cheapest bag price across 7 priced foods, 132% above the catalog. The price is the food's, not the ingredient's.
Who leans on it
80%
of the foods that list it are from Stella & Chewy's. 2 brands use it in total.
What it is
How it is made
Turkey processors remove gizzards while preparing carcasses and collecting giblets. The organ is opened, cleaned and chilled for use as food. Pet food makers get a named protein source from another part of the bird.2,6
- 01 // Source Turkey gizzard The muscular organ is removed from the digestive tract during giblet collection.
- 02 // Process Split and clean Equipment opens the gizzard, cleans its surfaces and flushes away the contents.
- 03 // Process Chilled Cleaned gizzards are chilled in ice and water before further processing.
- 04 // Output Cleaned gizzard The ingredient reaches a pet food maker as cleaned muscle tissue for use in a recipe.
What is in it
Composition, dry matter
80.3
% protein
Calculated from a laboratory analysis of raw gizzard after removing its measured water. This shows protein content, not how much dogs digest.
Why it is in the bag
What the manufacturer gets
-
01
Adds animal protein
A cleaned gizzard is muscle and connective tissue. Its protein contributes to the recipe, although its place on a weight-ranked ingredient list cannot show its share of the finished food's protein.2,5
-
02
Uses another turkey part
Gizzards are collected during turkey processing. Selling the cleaned organ gives processors another outlet for it, and a published analysis describes gizzard as cheaper than turkey meat.2,6
-
03
Makes sliced treats
Sellers slice and dehydrate gizzards as single-ingredient treats. That creates another use for the organ, but a seller's praise for its taste is not a controlled dog preference test.9
How much One complementary turkey pate declares 15% gizzard; that example does not show a typical amount in complete dog food.10
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
Turkey gizzard adds substantial animal protein
Evidence
- Strong
- Some
- Thin
- None
A laboratory analysis measured 18.38% crude protein in raw turkey gizzard, or 80.3% after its measured water is removed. The protein content is clear; the study did not test digestibility in dogs.2
-
Brands say
Its iron and zinc improve a dog's health
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
A laboratory study measured iron and zinc in turkey gizzards. It tested the ingredient, not dogs fed it. The presence of those minerals does not show that adding gizzard improves a dog's health.2,9
-
Brands say
Gizzard collagen repairs sore joints
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
Gizzard contains collagen, but no dog trial tested gizzard for joint pain. A 42-dog trial tested a diet with hydrolyzed collagen, curcuminoids and green tea; it found no difference in objective ground reaction forces.1,2
-
Owners say
Turkey gizzard is safe for chicken-allergic dogs
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
A protein comparison across species predicted possible chicken and turkey cross-reactivity but did not test dogs eating turkey gizzard. Clinical guidance uses controlled dietary challenges to identify food triggers; chicken allergy alone cannot show turkey is safe.3,8
-
Owners say
Raw gizzard is safe because dogs handle germs
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
FDA found Salmonella in 15 of 196 sampled raw dog and cat foods. Dogs fed contaminated raw food can shed Salmonella in their feces, creating a handling risk for people.4
Straight answers
What owners ask
-
Q01
Is it just filler?
NoIt is a cleaned muscle organ that supplies animal protein. Its presence on a label does not reveal the finished food's protein quality or how much of that protein came from gizzard.2,5,6
-
Q02
Is gizzard the same as liver?
NoBoth are turkey giblets, but the gizzard is a muscular part of the digestive tract. Liver is a separate organ. A label naming turkey gizzard identifies a more specific ingredient than a general giblet listing.5,6
-
Q03
How much can I give separately?
Treat amountIf you offer cooked gizzard outside a complete diet, count it with other extras. UC Davis advises keeping treats and additional foods within 10% of daily calories so they do not displace balanced food.7
Who uses it
Brands, best sellers and the company it keeps
Top brands, by foods that list it
Usually listed with, share of the foods that list it
- Turkey Liver 70%
- Turkey 50%
- Pumpkin Seeds 50%
- Spinach 50%
- Broccoli 50%
- Cranberries 40%
- Organic Beets 40%
- Pumpkin 30%
- Duck with Ground Bone 30%
- Goose 30%
- Carrots 30%
- Turkey Meal 30%
On the shelf
Foods that list it
10 foods in our reviews list it. Here are some of them.
Show 6 more
Open Farm RawMix Grain-Free Chicken & Turkey Dry Dog Food33.3% proteinOpen Farm Ancient Grains RawMix Open Prairie Recipe-Ancient Grain Dry Dog Food34.4% proteinStella & Chewy’s Marie’s Magical Dinner Dust Duck Duck Goose Recipe Freeze-Dried Raw Dog Food Topper40.0% proteinStella & Chewy’s Limited Ingredient Cage-Free Turkey Raw Coated Kibble Dry Dog Food38.6% proteinStella & Chewy’s Duck Recipe with Pumpkin & Quinoa Raw Coated Kibble Wholesome Grains Dry Dog Food29.5% proteinStella & Chewy’s Cage-Free Duck Raw Coated Kibble Dry Dog Food38.6% proteinOur read // On the bag
Count it as turkey, then check the food
Turkey gizzard is a named animal protein with a useful job in a recipe. Ingredients are listed by weight, so its place on the bag cannot tell you its share of the finished protein. Check the food's complete-diet statement and protein analysis; count separate gizzard pieces as treats.
Sources
What we read
Checked October 1, 2026.
- 1 A randomized, double-blind, prospective, placebo-controlled study of the efficacy of a diet supplemented with curcuminoids extract, hydrolyzed collagen and green tea extract in owner's dogs with osteoarthritis
- 2 Proximate compositions, fatty acids and mineral contents of chicken and turkey gizzards, and textural properties after tenderization with proteolytic enzymes
- 3 Evaluation of the theoretical risk of cross-reactivity among recently identified food allergens for dogs
- 4 CVM Issues Assignment to Collect Official Samples of Raw Foods for Dogs or Cats in Interstate Commerce in the United States and Analyze them for Salmonella, Listeria monocytogenes, Escherichia coli O157:H7 and Non O157:H7 Shiga Toxin-Producing Escherichia coli (STEC)
- 5 What's in the Ingredients List?
- 6 Poultry Slaughter Inspection Training Participant Notebook
- 7 Treat Guidelines for Dogs
- 8 Cutaneous Food Allergy in Animals
- 9 Turkey Gizzards for Dogs
- 10 Anco Premium Turkey Pate 200g 100% Natural Dog Treat