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Ingredient file // Flavor

Natural Chicken Liver Flavor

A flavor boost with a chicken allergy caveat

Natural chicken liver flavor is a liver-derived seasoning used to make dog food more appealing. It tells you little about the food's protein content. For a dog with a diagnosed chicken allergy, the chicken source matters even if the flavor is hydrolyzed.

Role in the food Does a job
Natural Chicken Liver Flavor
What it is
A flavor ingredient derived from chicken liver and added to dog food for its smell and taste.
Made from
Chicken liver
Main job
Make food more appealing
Typical amount
Not published
Watch for
A diagnosed chicken allergy
Not the same as
Whole chicken liver

Straight answer

Is Natural Chicken Liver Flavor safe for dogs?

Read it as flavor, then check the food

Treat natural chicken liver flavor as a seasoning line on the bag. Look at the main protein ingredients and nutrient analysis to judge the diet; the flavor's name does not measure either one. If your dog has a diagnosed chicken allergy, choose a food without it.

Why it is in the food
Make food more appealing

Our read // In our catalog

In 1 of every 39 foods we track

Share of foods that list it

3%

83 of the 3,204 foods with an ingredient list on file, from 3 brands. 68 dry dog food, 15 wet dog food.

Each square is 1% of the catalog

Where it sits on the label

Median position 10. In the top five of 0 foods, so it is usually a supporting ingredient.

Top five List position, heaviest first

Above the salt

99%

Almost always listed before the salt, so there is more of it than a pinch.

Price per lb

Foods with it $3.44
All foods $3.25

Median of the cheapest bag price across 60 priced foods, 6% above the catalog. The price is the food's, not the ingredient's.

Who leans on it

95%

of the foods that list it are from Hill's. 3 brands use it in total.

What it is

How it is made

Poultry processing supplies livers to flavor makers. A documented method uses enzymes to break liver protein into smaller pieces, then dries the mixture into a powder suitable for adding to kibble.1,5

  1. 01 // Source Chicken livers Livers separated during poultry processing supply the raw material for the documented powders.
  2. 02 // Process Enzyme breakdown Enzymes break the liver proteins into smaller peptides and amino acids.
  3. 03 // Process Spray dried The hydrolyzed mixture is dried into a powder that is easier to handle and store.
  4. 04 // Output Flavor powder The powder reaches a pet food plant for mixing into food or coating kibble.

What is in it

Composition, dry matter

65.9

% protein

Protein in one tested hydrolyzed liver powder after removing its water. That is the powder's composition, not the finished food's.

Crude protein 65.9%1
Crude fat 23.9%1
Ash 6.3%1

These figures come from one commercial hydrolyzed liver powder. Flavor makers use different recipes, and an ingredient list does not disclose the powder's nutrient analysis or the amount used.1,4

Why it is in the bag

There for taste and smell, not nutrition

  1. Main nutrition
  2. Supporting nutrient
  3. Does a job
  4. Mostly filler

Manufacturers add it to make food taste and smell like meat. FDA rules count an extract or enzyme breakdown product of poultry as a natural flavor. It tends to sit in the middle of ingredient lists, and labels list ingredients by weight, so it is likely too little to change the food's protein or nutrition. It is not filler. Its job is palatability.4,6

  1. 01

    Adds surface flavor

    A supplier tested liver powder as a kibble coating, placing its smell and taste on the surface a dog encounters first.5

  2. 02

    Adjusts flavor in small amounts

    A supplier's test used a 2% coating. That gives a manufacturer a way to change flavor without making liver a main ingredient; the flavor's cost is unpublished.5

  3. 03

    Uses processed livers

    Turning livers from poultry processing into a dry powder gives manufacturers an ingredient they can store and measure into a recipe.1,5

How much One supplier tested a 2% liver powder coating; an ingredient list does not reveal how much a particular food contains.4,5

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.

  1. Brands say

    Chicken liver flavor makes picky dogs eat

    Outruns the evidence

    Evidence

    1. Strong
    2. Some
    3. Thin
    4. None

    Neither test studied picky or inappetent dogs. A non-peer-reviewed supplier report found dogs ate 80% of liver-coated kibble versus 20% of plain kibble at a 2% coating, but the one peer-reviewed study, 22 dogs testing a hydrolyzed liver diet, found no clear preference at all.1,5

  2. Brands say

    This flavor makes the food high in protein

    Outruns the evidence

    Evidence

    1. Strong
    2. Some
    3. Thin
    4. None

    One tested powder was 65.9% protein on a dry basis, while a supplier tested a 2% coating for flavor. Those figures describe different products and do not tell you the protein contribution of the flavor on your bag.1,5

  3. Owners say

    Hydrolyzed liver flavor is safe for chicken allergies

    Outruns the evidence

    Evidence

    1. Strong
    2. Some
    3. Thin
    4. None

    In a randomized crossover trial, 4 of 10 dogs with chicken allergy had itching flares on a hydrolyzed chicken liver diet. The trial did not test this flavor, but hydrolysis alone is no safety guarantee.2

  4. Brands say

    Natural liver flavor makes food safer

    Outruns the evidence

    Evidence

    1. Strong
    2. Some
    3. Thin
    4. None

    AAFCO says natural describes an ingredient's source and permitted processing, which includes hydrolysis. Its guidance makes no safety promise. The word gives you no evidence that this flavor improves a dog's health.3

Straight answers

What owners ask

  1. Q01

    Is it just filler?

    No, it's flavor

    It has a specific job: making the food more appealing. Its place on the ingredient list does not tell you how much protein the food contains. Check the main ingredients and nutrient analysis for that.4,5

  2. Q02

    Is it whole chicken liver?

    No

    It is a flavor ingredient. Documented versions break down liver protein with enzymes and dry the result into powder. The name on a bag does not identify the supplier's exact recipe.1,5

  3. Q03

    Can my chicken-allergic dog eat it?

    Skip it

    Keep chicken liver flavor out of a chicken elimination diet. A small controlled trial found itching flares in 4 of 10 chicken-allergic dogs fed a hydrolyzed liver diet, though it did not test this flavor.2

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. Hill's 79 / 116
  2. Authority 3 / 34
  3. 4health 1 / 8

Foods that list it / all the brand's recipes we track.

Amazon best sellers that list it

  1. #4 Hill’s Science Diet Light Small & Mini Chicken Recipe Dry Dog Food
  2. #6 Hill’s Science Diet Adult Sensitive Stomach & Skin Chicken Recipe Dry Dog Food
  3. #13 Hill’s Science Diet Adult 1-6 Small Bites Chicken & Barley Recipe Dry Dog Food
  4. #21 Hill’s Science Diet Adult 1-6 Chicken & Barley Recipe Dry Dog Food
  5. #24 Hill’s Science Diet Adult Sensitive Stomach & Skin Small & Mini Chicken Recipe Dry Dog Food
  6. #40 Hill’s Science Diet Adult Large Breed Chicken & Barley Recipe Dry Dog Food
  7. #61 Hill’s Science Diet Adult Perfect Weight Chicken Recipe Dry Dog Food
  8. #62 Hill’s Science Diet Adult 7+ Chicken Meal, Barley & Rice Recipe Dry Dog Food

Rank on Amazon's dog food best seller list, checked October 2026.

Usually listed with, share of the foods that list it

  1. Cracked Pearled Barley 78%
  2. Chicken Meal 71%
  3. Chicken 64%
  4. Brown Rice 58%
  5. Brewers Rice 58%
  6. Chicken Fat 57%
  7. Whole Grain Corn 49%
  8. Dried Beet Pulp 36%
  9. Whole Grain Wheat 36%
  10. Corn Protein Meal 34%
  11. Whole Grain Oats 33%
  12. Soybean Oil 28%

On the shelf

Foods that list Natural Chicken Liver Flavor

83 foods in our catalog list it. These 60 list it highest on the label.

Hill’s Science Diet Adult Beef & Barley Entrée Wet Dog FoodHill'sHill’s Science Diet Adult Beef & Barley Entrée Wet Dog FoodWet // No. 6 on the labelHill’s Prescription Diet j/d Joint Care Small Bites Chicken Flavor Dry Dog FoodHill'sHill’s Prescription Diet j/d Joint Care Small Bites Chicken Flavor Dry Dog FoodDry // No. 7 on the labelHill’s Healthy Advantage Adult Oral+ Chicken Flavor Dry Dog FoodHill'sHill’s Healthy Advantage Adult Oral+ Chicken Flavor Dry Dog FoodDry // No. 9 on the labelHill’s Healthy Advantage Puppy Large Breed Chicken & Brown Rice Recipe Dry Dog FoodHill'sHill’s Healthy Advantage Puppy Large Breed Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Bioactive Recipe Adult Fit + Radiant Dry Dog FoodHill'sHill’s Bioactive Recipe Adult Fit + Radiant Dry Dog FoodDry // No. 11 on the labelHill’s Bioactive Recipe Adult Small Breed Fit + Radiant​ Dry Dog FoodHill'sHill’s Bioactive Recipe Adult Small Breed Fit + Radiant​ Dry Dog FoodDry // No. 11 on the label
Show 54 more
Hill’s Prescription Diet r/d Weight Reduction Chicken Flavor Dry Dog FoodHill'sHill’s Prescription Diet r/d Weight Reduction Chicken Flavor Dry Dog FoodDry // No. 7 on the labelHill’s Science Diet Puppy Small Bites Chicken & Barley Recipe Dry Dog FoodHill'sHill’s Science Diet Puppy Small Bites Chicken & Barley Recipe Dry Dog FoodDry // No. 8 on the labelHill’s Science Diet Adult Small & Mini Chicken & Barley Entrée Wet Dog FoodHill'sHill’s Science Diet Adult Small & Mini Chicken & Barley Entrée Wet Dog FoodWet // No. 8 on the labelHill’s Adult Sensitive Stomach & Skin Chicken & Rice Stew Wet Dog FoodHill'sHill’s Adult Sensitive Stomach & Skin Chicken & Rice Stew Wet Dog FoodWet // No. 8 on the labelHill’s Adult Chicken & Barley Entrée Wet Dog FoodHill'sHill’s Adult Chicken & Barley Entrée Wet Dog FoodWet // No. 8 on the labelHill’s Science Diet Adult 7+ Turkey & Barley Entrée Wet Dog FoodHill'sHill’s Science Diet Adult 7+ Turkey & Barley Entrée Wet Dog FoodWet // No. 8 on the labelHill’s Prescription Diet c/d Multicare Urinary Care Chicken Flavor Dry Dog FoodHill'sHill’s Prescription Diet c/d Multicare Urinary Care Chicken Flavor Dry Dog FoodDry // No. 8 on the labelHill’s Prescription Diet Gastrointestinal Biome Digestive/Fiber Care with Chicken Dry Dog FoodHill'sHill’s Prescription Diet Gastrointestinal Biome Digestive/Fiber Care with Chicken Dry Dog FoodDry // No. 8 on the labelHill’s Prescription Diet g/d Aging Care Chicken Flavor Dry Dog FoodHill'sHill’s Prescription Diet g/d Aging Care Chicken Flavor Dry Dog FoodDry // No. 8 on the labelHill’s Science Diet Adult 7+ Senior Vitality Chicken & Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 7+ Senior Vitality Chicken & Rice Recipe Dry Dog FoodDry // No. 8 on the labelHill’s Science Diet Puppy Large Breed Chicken Meal & Oats Recipe Dry Dog FoodHill'sHill’s Science Diet Puppy Large Breed Chicken Meal & Oats Recipe Dry Dog FoodDry // No. 8 on the labelHill’s Science Diet Adult Sensitive Stomach & Skin Grain-Free Chicken & Potato Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Sensitive Stomach & Skin Grain-Free Chicken & Potato Recipe Dry Dog FoodDry // No. 8 on the labelHill’s Science Diet Light Small & Mini Chicken Recipe Dry Dog FoodHill'sHill’s Science Diet Light Small & Mini Chicken Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult Perfect Weight Chicken Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Perfect Weight Chicken Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Puppy Small Paws Chicken Meal, Barley & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Puppy Small Paws Chicken Meal, Barley & Brown Rice Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult Light Wet Dog FoodHill'sHill’s Science Diet Adult Light Wet Dog FoodWet // No. 9 on the labelHill’s Science Diet Adult Perfect Weight Small & Mini Chicken & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Perfect Weight Small & Mini Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult Sensitive Stomach & Skin Salmon & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Sensitive Stomach & Skin Salmon & Brown Rice Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Prescription Diet Derm Defense Environmental Sensitivities Chicken Flavor Dry Dog FoodHill'sHill’s Prescription Diet Derm Defense Environmental Sensitivities Chicken Flavor Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult Small Paws Lamb Meal & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Small Paws Lamb Meal & Brown Rice Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult 1-6 Small Bites Lamb Meal & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 1-6 Small Bites Lamb Meal & Brown Rice Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult 1-6 Lamb Meal & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 1-6 Lamb Meal & Brown Rice Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult Perfect Weight Large Breed Chicken Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Perfect Weight Large Breed Chicken Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult Perfect Weight Small Bites Chicken Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Perfect Weight Small Bites Chicken Recipe Dry Dog FoodDry // No. 9 on the labelHill’s Science Diet Adult 1-6 Small Bites Chicken & Barley Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 1-6 Small Bites Chicken & Barley Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult 1-6 Chicken & Barley Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 1-6 Chicken & Barley Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult Large Breed Chicken & Barley Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Large Breed Chicken & Barley Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Puppy Chicken & Brown Rice Recipe No Corn, Wheat, Soy Dry Dog FoodHill'sHill’s Science Diet Puppy Chicken & Brown Rice Recipe No Corn, Wheat, Soy Dry Dog FoodDry // No. 10 on the labelHill’s Adult Healthy Cuisine Roasted Chicken, Carrots & Spinach Stew Wet Dog FoodHill'sHill’s Adult Healthy Cuisine Roasted Chicken, Carrots & Spinach Stew Wet Dog FoodWet // No. 10 on the labelHill’s Science Diet Adult 7+ Small & Mini Chicken & Barley Entrée Wet Dog FoodHill'sHill’s Science Diet Adult 7+ Small & Mini Chicken & Barley Entrée Wet Dog FoodWet // No. 10 on the labelHill’s Prescription Diet i/d Puppy Chicken Flavor Digestive Care Dry Dog FoodHill'sHill’s Prescription Diet i/d Puppy Chicken Flavor Digestive Care Dry Dog FoodDry // No. 10 on the labelHill’s Healthy Advantage Adult Small Bites Chicken & Brown Rice Recipe Dry Dog FoodHill'sHill’s Healthy Advantage Adult Small Bites Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Healthy Advantage Puppy Chicken & Brown Rice Recipe Dry Dog FoodHill'sHill’s Healthy Advantage Puppy Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Healthy Advantage Adult Chicken & Brown Rice Recipe Dry Dog FoodHill'sHill’s Healthy Advantage Adult Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Prescription Diet w/d Multi-Benefit Chicken Flavor Dry Dog FoodHill'sHill’s Prescription Diet w/d Multi-Benefit Chicken Flavor Dry Dog FoodDry // No. 10 on the labelHill’s Prescription Diet i/d Digestive Care Small Bites Chicken Flavor Dry Dog FoodHill'sHill’s Prescription Diet i/d Digestive Care Small Bites Chicken Flavor Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult 7+ Senior Vitality Small & Mini Chicken & Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 7+ Senior Vitality Small & Mini Chicken & Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult Light Small Bites with Chicken Meal & Barley Dry Dog FoodHill'sHill’s Science Diet Adult Light Small Bites with Chicken Meal & Barley Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult Light with Chicken Meal & Barley Dry Dog FoodHill'sHill’s Science Diet Adult Light with Chicken Meal & Barley Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult Small Paws Chicken Meal & Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Small Paws Chicken Meal & Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult Large Breed Light with Chicken Meal & Barley Dry Dog FoodHill'sHill’s Science Diet Adult Large Breed Light with Chicken Meal & Barley Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult Small Paws Light with Chicken Meal & Barley Dry Dog FoodHill'sHill’s Science Diet Adult Small Paws Light with Chicken Meal & Barley Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult 7+ Small Bites Chicken Meal, Barley & Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 7+ Small Bites Chicken Meal, Barley & Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult Oral Care Chicken, Rice & Barley Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Oral Care Chicken, Rice & Barley Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult 6+ Large Breed Chicken & Brown Rice Recipe No Corn, Wheat, Soy Dry Dog FoodHill'sHill’s Science Diet Adult 6+ Large Breed Chicken & Brown Rice Recipe No Corn, Wheat, Soy Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult Perfect Digestion Chicken, Brown Rice & Whole Oats Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Perfect Digestion Chicken, Brown Rice & Whole Oats Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Perfect Digestion Small Bites Chicken, Brown Rice & Whole Oats Recipe Dry Dog FoodHill'sHill’s Science Diet Perfect Digestion Small Bites Chicken, Brown Rice & Whole Oats Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Perfect Digestion Large Breed Chicken, Brown Rice & Whole Oats Recipe Dry Dog FoodHill'sHill’s Science Diet Perfect Digestion Large Breed Chicken, Brown Rice & Whole Oats Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult 7+ Perfect Digestion Chicken, Whole Oats & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 7+ Perfect Digestion Chicken, Whole Oats & Brown Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult 7+ Perfect Digestion Small Bites Chicken, Whole Oats & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 7+ Perfect Digestion Small Bites Chicken, Whole Oats & Brown Rice Recipe Dry Dog FoodDry // No. 10 on the labelHill’s Science Diet Adult 7+ Chicken Meal, Barley & Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult 7+ Chicken Meal, Barley & Rice Recipe Dry Dog FoodDry // No. 11 on the labelHill’s Prescription Diet ONC Care Chicken & Vegetable Stew Wet Dog FoodHill'sHill’s Prescription Diet ONC Care Chicken & Vegetable Stew Wet Dog FoodWet // No. 11 on the labelHill’s Hill’s Science Diet Adult Salmon & Barley Entrée Wet Dog FoodHill'sHill’s Hill’s Science Diet Adult Salmon & Barley Entrée Wet Dog FoodWet // No. 11 on the labelHill’s Science Diet Adult Healthy Cuisine Chicken & Vegetables Stew Wet Dog FoodHill'sHill’s Science Diet Adult Healthy Cuisine Chicken & Vegetables Stew Wet Dog FoodWet // No. 11 on the label

Leaving it out

Foods without chicken

For owners who skip chicken: popular dry foods priced like the ones that list it ($2.41 to $4.81 per lb), with no chicken on the label.

Purina Pro Plan Adult Sensitive Skin & Stomach Small Breed Formula Dry Dog FoodPurinaPurina Pro Plan Adult Sensitive Skin & Stomach Small Breed Formula Dry Dog FoodDry // $3.41 per lbOpen Farm Wild Caught Salmon with Ancient Grains Dry Dog FoodOpen FarmOpen Farm Wild Caught Salmon with Ancient Grains Dry Dog FoodDry // $4.05 per lbNatural Balance L.I.D. Limited Ingredient Diets Grain-Free Salmon & Sweet Potato Dry Dog FoodNatural BalanceNatural Balance L.I.D. Limited Ingredient Diets Grain-Free Salmon & Sweet Potato Dry Dog FoodDry // $3.04 per lbPurina Pro Plan Adult Sensitive Skin & Stomach Lamb & Oatmeal Formula Dry Dog FoodPurinaPurina Pro Plan Adult Sensitive Skin & Stomach Lamb & Oatmeal Formula Dry Dog FoodDry // $3.23 per lbFromm Four-Star Beef Frittata Veg® Recipe Grain-Free Dry Dog FoodFrommFromm Four-Star Beef Frittata Veg® Recipe Grain-Free Dry Dog FoodDry // $3.68 per lbZignature Original Lamb Formula with Probiotics Grain-Free Dry Dog FoodZignatureZignature Original Lamb Formula with Probiotics Grain-Free Dry Dog FoodDry // $3.32 per lbNatural Balance L.I.D. Limited Ingredient Diets Lamb & Brown Rice Dry Dog FoodNatural BalanceNatural Balance L.I.D. Limited Ingredient Diets Lamb & Brown Rice Dry Dog FoodDry // $3.04 per lbGo! Solutions Skin + Coat Care Large Breed Puppy Salmon Dry Dog FoodGo! SolutionsGo! Solutions Skin + Coat Care Large Breed Puppy Salmon Dry Dog FoodDry // $3.44 per lb

Checked against the ingredient list we store for each food. Labels change, so read the bag before you buy.

On labels as

Other names for this

One page covers every name. Here is what each label word adds, and whether it changes anything for your dog.

Other wording

Matters for your dog No

Chicken Liver Flavor

What it means FDA's animal food rules count protein hydrolysates and products of heating or enzyme breakdown of poultry as natural flavor. A flavor not derived from such sources is artificial and has to be labeled that way. Leaving out the word natural does not change the category.

For your dog Nothing changes for the dog. A flavor made from chicken liver already fits the natural flavor definition, so both names describe the same kind of ingredient. The chicken allergy caution on this page applies to either name.3,6

Sources

What we read

Checked October 1, 2026.

  1. 1 Characterisation of spray dried hydrolysed chicken liver powder: effects on palatability and digestibility when included as single source of animal protein in dog diets Italian Journal of Animal Science, 2021 // Journal
  2. 2 A randomized, double-blinded crossover trial testing the benefit of two hydrolysed poultry-based commercial diets for dogs with spontaneous pruritic chicken allergy Veterinary Dermatology, 2016 // Journal
  3. 3 Natural AAFCO, n.d. // Regulator
  4. 4 Reading Labels AAFCO, n.d. // Regulator
  5. 5 Nutrient density of hydrolyzed chicken liver powders Proliver, 2021 // Industry
  6. 6 21 CFR 501.22: Animal foods; labeling of spices, flavorings, colorings and chemical preservatives Legal Information Institute, Cornell Law School (US Code of Federal Regulations), n.d. // Regulator
An ingredient on its own tells you very little. What matters is how much of it there is and where it sits in the list. That is why we weigh the top five rather than reacting to any single name further down. Back to the wiki

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