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Ingredient file // Other

Caramel Coloring

Brown color for buyers, no nutritional payoff

Caramel coloring is made by heating sugars, sometimes with sulfite or ammonium compounds. It gives kibble a browner, more consistent appearance for the person buying it. It provides no proven health benefit to the dog.

Role in the food Does a job
What it is
A concentrated brown food color made by heating food-grade carbohydrates and sold as a liquid or powder.
Made from
Food-grade sugars and sugar syrups
Main job
Brown, consistent appearance
Typical amount
Not published
Watch for
Class may be absent unless voluntarily disclosed
Not the same as
Candy caramel

Straight answer

Is Caramel Coloring safe for dogs?

Read the recipe above the color

Caramel coloring low on an ingredient list means the maker wanted a browner, more consistent look. Check the named protein and fat above it, then the nutritional adequacy statement. Choose a food without added color if you prefer, but its presence alone is not proof of harm.

Why it is in the food
Brown, consistent appearance

Our read // In our catalog

In 1 of every 51 foods we track

Share of foods that list it

2%

63 of the 3,204 foods with an ingredient list on file, from 9 brands. 39 dry dog food, 23 wet dog food, 1 dog food topper.

Each square is 1% of the catalog

Where it sits on the label

Median position 15. In the top five of 1 food, so it is usually a minor ingredient.

Top five List position, heaviest first

Above the salt

30%

Usually listed after the salt, which caps it at roughly 1% of the recipe in 70% of foods.

Price per lb

Foods with it $1.51
All foods $3.25

Median of the cheapest bag price across 35 priced foods, 54% below the catalog. The price is the food's, not the ingredient's.

Who leans on it

37%

of the foods that list it are from Iams. 9 brands use it in total.

What it is

How it is made

Color makers produce caramel coloring specifically for its appearance, rather than collecting it as a leftover. They heat food-grade carbohydrates under controlled conditions, sometimes adding sulfite or ammonium compounds to make different classes.2,6

  1. 01 // Source Food-grade sugars Glucose, fructose and syrups made from them supply the carbohydrates used to make the color.
  2. 02 // Process Controlled heating Heat turns the carbohydrates into a complex mixture of brown coloring compounds.
  3. 03 // Process Class ingredients Sulfite compounds, ammonium compounds, both or neither determine the resulting caramel color class.
  4. 04 // Output Liquid or powder The finished dark liquid or solid goes to food makers, including pet food manufacturers.

What is in it

Composition, dry matter

0.5-7.5

% nitrogen

The permitted nitrogen range for Class IV color on a dry solids basis describes its chemistry, not usable protein for a dog.

Total nitrogen, Class IV 0.5-7.5%2
Total sulfur, Class IV 1.4-10%2
Total nitrogen, Class III 1.3-6.8%2
Total sulfur, Class II 1.3-2.5%2

These are specification ranges for different classes, not nutrient measurements in a particular kibble. The manufacturing ingredients change the chemistry. A bag may identify the class voluntarily, but disclosure is not required.2,5

Why it is in the bag

Colors the food for you, not the dog

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

Makers add caramel color so kibble or wet food looks browner and more alike from batch to batch. That change is aimed at the buyer, not the dog. It is cheap for the shade it gives and holds up to heat. Ingredient lists run by weight, so well down the list it likely makes up a small share of the food and adds no nutrition worth counting. Its job is cosmetic, not bulk.6,7,9

  1. 01

    Makes food look browner

    A color supplier promotes caramel coloring for a meatier appearance in pet food. The effect is visual for the buyer, with no demonstrated feeding benefit for the dog.6

  2. 02

    Keeps batches looking alike

    Base recipes differ in shade. Added caramel color helps manufacturers keep the finished food looking similar from one production run to the next.6,7

  3. 03

    Low cost color

    A supplier of competing colors describes caramel as inexpensive for the shade it delivers and stable during heat processing. Those are manufacturing advantages.7

How much A supplier's kibble pilot used 3% and 5% powdered color; those test amounts do not show what commercial recipes usually contain.6

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

    Caramel coloring makes kibble look meatier

    Evidence

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

    A supplier's extruder pilot compared uncolored kibble with powdered caramel at 3% and 5%, and the supplier describes a meatier appearance. It supports a visual effect for buyers, not a benefit to dogs.6

  2. Brands say

    Caramel coloring is safe for dogs

    Outruns the evidence

    Evidence

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

    JECFA summarized an unpublished 90-day beagle study feeding Class IV color at up to 25% of the diet without significant adverse findings. One short study of one class cannot settle lifetime safety for every class.1

  3. Critics say

    Caramel coloring causes cancer in dogs

    Outruns the evidence

    Evidence

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

    A 2-year NTP feeding study found more lung tumors in mice given isolated 4-MEI. It did not test dogs or colored kibble, and only some caramel color classes can contain 4-MEI.3,5

  4. Brands say

    Caramel coloring gives dogs antioxidant protection

    Outruns the evidence

    Evidence

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

    A Class IV study used flies and human cells. Its fly oxidative stress test found no antioxidant protection, although a separate DNA damage test showed an effect. Neither test demonstrates a benefit to dogs eating colored food.4

  5. Owners say

    Caramel coloring adds useful nutrition

    Outruns the evidence

    Evidence

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

    The FAO specification lists color as its function and reports nitrogen and sulfur as chemical specifications on a dry solids basis. Those figures do not make caramel coloring a useful protein or mineral source in kibble.2

Straight answers

What owners ask

  1. Q01

    Is it just filler?

    No, cosmetic

    It has a defined job: making food brown. It does not supply useful protein or fiber, and no dog health benefit has been shown. Judge the food's nutrition by its other ingredients and nutritional adequacy statement.2,9

  2. Q02

    Does brown kibble mean more meat?

    No

    A color supplier promotes caramel coloring to make pet food look meatier. Appearance does not tell you how much meat the recipe contains. Read the named ingredients above the color on the list.6,9

  3. Q03

    Does the label reveal its class?

    Not necessarily

    FDA does not require the class to appear on a food label, although a maker may disclose it voluntarily. Animal foods may also group caramel under a general color term. The name alone cannot identify 4-MEI exposure.5,8

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. Iams 23 / 31
  2. Kibbles n Bits 11 / 11
  3. Hill's 8 / 116
  4. Purina 7 / 185
  5. Gravy Train 5 / 6
  6. Rachael Ray Nutrish 5 / 19
  7. Blue 2 / 186
  8. Pedigree 1 / 42
  9. Eukanuba 1 / 35

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

On the shelf

Foods that list Caramel Coloring

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

Show 48 more
Iams Mature Adult Dry Dog FoodIamsIams Mature Adult Dry Dog FoodDry // No. 11 on the labelIams Adult Small Breed Dry Dog FoodIamsIams Adult Small Breed Dry Dog FoodDry // No. 11 on the labelIams Adult Healthy Weight Dry Dog FoodIamsIams Adult Healthy Weight Dry Dog FoodDry // No. 12 on the labelIams Proactive Health Healthy Aging Dry Dog FoodIamsIams Proactive Health Healthy Aging Dry Dog FoodDry // No. 12 on the labelIams Advanced Health Healthy Digestion Dry Dog FoodIamsIams Advanced Health Healthy Digestion Dry Dog FoodDry // No. 12 on the labelIams ProActive Health Adult High Protein Dry Dog FoodIamsIams ProActive Health Adult High Protein Dry Dog FoodDry // No. 12 on the labelIams Adult Healthy Weight Large Breed Dry Dog FoodIamsIams Adult Healthy Weight Large Breed Dry Dog FoodDry // No. 12 on the labelIams Puppy Large Breed Dry Dog FoodIamsIams Puppy Large Breed Dry Dog FoodDry // No. 12 on the labelIams Proactive Health MiniChunks Chicken & Whole Grains Dry Dog FoodIamsIams Proactive Health MiniChunks Chicken & Whole Grains Dry Dog FoodDry // No. 13 on the labelGravy Train Meaty Ground Dinner With Beef & Bacon Wet Dog FoodGravy TrainGravy Train Meaty Ground Dinner With Beef & Bacon Wet Dog FoodWet // No. 13 on the labelGravy Train Chunks In Gravy With T-Bone Flavor Chunks Wet Dog FoodGravy TrainGravy Train Chunks In Gravy With T-Bone Flavor Chunks Wet Dog FoodWet // No. 13 on the labelGravy Train Chunks In Gravy With Beef Chunks Wet Dog FoodGravy TrainGravy Train Chunks In Gravy With Beef Chunks Wet Dog FoodWet // No. 13 on the labelIams Adult Large Breed Dry Dog FoodIamsIams Adult Large Breed Dry Dog FoodDry // No. 14 on the labelKibbles n Bits Triple Steak Flavor: High Protein Dry Dog FoodKibbles n BitsKibbles n Bits Triple Steak Flavor: High Protein Dry Dog FoodDry // No. 14 on the labelIams Proactive Health Healthy Puppy Dry Dog FoodIamsIams Proactive Health Healthy Puppy Dry Dog FoodDry // No. 14 on the labelIams Proactive Health Small Breed Lamb AND Rice Dry Dog FoodIamsIams Proactive Health Small Breed Lamb AND Rice Dry Dog FoodDry // No. 14 on the labelIams Advanced Health Mobility Support Dry Dog FoodIamsIams Advanced Health Mobility Support Dry Dog FoodDry // No. 14 on the labelKibbles n Bits Bacon & Steak Flavor Dry Dog FoodKibbles n BitsKibbles n Bits Bacon & Steak Flavor Dry Dog FoodDry // No. 14 on the labelKibbles n Bits Beefy Bits Dry Dog FoodKibbles n BitsKibbles n Bits Beefy Bits Dry Dog FoodDry // No. 14 on the labelIams Puppy Dry Dog FoodIamsIams Puppy Dry Dog FoodDry // No. 14 on the labelIams Adult Minichunks with Lamb & Rice Dry Dog FoodIamsIams Adult Minichunks with Lamb & Rice Dry Dog FoodDry // No. 15 on the labelKibbles n Bits Small Breed Mini Bits Savory Beef & Chicken Flavors Dry Dog FoodKibbles n BitsKibbles n Bits Small Breed Mini Bits Savory Beef & Chicken Flavors Dry Dog FoodDry // No. 15 on the labelIams Proactive Health Adult Beef, Peas and Carrots Recipe Wet Dog FoodIamsIams Proactive Health Adult Beef, Peas and Carrots Recipe Wet Dog FoodWet // No. 15 on the labelBlue’s Stew Hearty Beef Wet Dog FoodBlueBlue’s Stew Hearty Beef Wet Dog FoodWet // No. 15 on the labelKibbles n Bits Bistro Kibbles ‘n Bits : Roasted Beef, Vegetable & Apple Dry Dog FoodKibbles n BitsKibbles n Bits Bistro Kibbles ‘n Bits : Roasted Beef, Vegetable & Apple Dry Dog FoodDry // No. 15 on the labelIams Proactive Health Adult Beef AND Rice Dry Dog FoodIamsIams Proactive Health Adult Beef AND Rice Dry Dog FoodDry // No. 15 on the labelKibbles n Bits Mini Bits Bacon & Steak Flavor Dry Dog FoodKibbles n BitsKibbles n Bits Mini Bits Bacon & Steak Flavor Dry Dog FoodDry // No. 15 on the labelKibbles n Bits Homestyle Grilled Beef & Vegetable Flavors Dry Dog FoodKibbles n BitsKibbles n Bits Homestyle Grilled Beef & Vegetable Flavors Dry Dog FoodDry // No. 15 on the labelKibbles n Bits Bistro Small Breed Mini Bits Oven Roasted Beef Flavor Dry Dog FoodKibbles n BitsKibbles n Bits Bistro Small Breed Mini Bits Oven Roasted Beef Flavor Dry Dog FoodDry // No. 15 on the labelKibbles n Bits Bistro Oven Roasted Beef Flavor Dry Dog FoodKibbles n BitsKibbles n Bits Bistro Oven Roasted Beef Flavor Dry Dog FoodDry // No. 15 on the labelIams Puppy Small Breed Dry Dog FoodIamsIams Puppy Small Breed Dry Dog FoodDry // No. 15 on the labelIams Adult Large Breed Lamb & Rice Dry Dog FoodIamsIams Adult Large Breed Lamb & Rice Dry Dog FoodDry // No. 15 on the labelBlue Wilderness Wolf Creek Stew Beef Wet Dog FoodBlueBlue Wilderness Wolf Creek Stew Beef Wet Dog FoodWet // No. 16 on the labelPurina One SmartBlend Joint Health Formula Adult Premium Dry Dog FoodPurinaPurina One SmartBlend Joint Health Formula Adult Premium Dry Dog FoodDry // No. 16 on the labelIams Proactive Health Adult Lamb, Peas and Carrots Recipe Wet Dog FoodIamsIams Proactive Health Adult Lamb, Peas and Carrots Recipe Wet Dog FoodWet // No. 17 on the labelPurina One SmartBlend Large Breed Puppy Formula Premium Dry Dog FoodPurinaPurina One SmartBlend Large Breed Puppy Formula Premium Dry Dog FoodDry // No. 17 on the labelIams Proactive Health Adult Chicken, Peas and Carrots Recipe Wet Dog FoodIamsIams Proactive Health Adult Chicken, Peas and Carrots Recipe Wet Dog FoodWet // No. 18 on the labelHill’s Science Diet Adult 7+ Savory Stew with Beef and Vegetables Wet Dog FoodHill'sHill’s Science Diet Adult 7+ Savory Stew with Beef and Vegetables Wet Dog FoodWet // No. 18 on the labelPurina ONE True Instinct Tender Cuts in Gravy Turkey & Venison Wet Dog FoodPurinaPurina ONE True Instinct Tender Cuts in Gravy Turkey & Venison Wet Dog FoodWet // No. 18 on the labelPurina One True Instinct Formula with Real Salmon & Tuna Dry Dog FoodPurinaPurina One True Instinct Formula with Real Salmon & Tuna Dry Dog FoodDry // No. 18 on the labelHill’s Hill’s Science Diet Adult Savory Stew with Beef & Vegetables Wet Dog FoodHill'sHill’s Hill’s Science Diet Adult Savory Stew with Beef & Vegetables Wet Dog FoodWet // No. 19 on the labelEukanuba Adult with Lamb & Rice Wet Dog FoodEukanubaEukanuba Adult with Lamb & Rice Wet Dog FoodWet // No. 19 on the labelRachael Ray Nutrish Lamb Stew With Carrots Wet Dog FoodRachael Ray NutrishRachael Ray Nutrish Lamb Stew With Carrots Wet Dog FoodWet // No. 19 on the labelPurina One True Instinct Formula with Real Beef & Bison Dry Dog FoodPurinaPurina One True Instinct Formula with Real Beef & Bison Dry Dog FoodDry // No. 20 on the labelPurina One SmartBlend True Instinct High Protein with Real Beef & Salmon Dry Dog FoodPurinaPurina One SmartBlend True Instinct High Protein with Real Beef & Salmon Dry Dog FoodDry // No. 20 on the labelRachael Ray Nutrish Chicken Muttballs Wet Dog FoodRachael Ray NutrishRachael Ray Nutrish Chicken Muttballs Wet Dog FoodWet // No. 21 on the labelRachael Ray Nutrish Chicken Paw Pie Grain-Free Wet Dog FoodRachael Ray NutrishRachael Ray Nutrish Chicken Paw Pie Grain-Free Wet Dog FoodWet // No. 21 on the labelHill’s Science Diet Adult Savory Stew with Chicken & Vegetables Wet Dog FoodHill'sHill’s Science Diet Adult Savory Stew with Chicken & Vegetables Wet Dog FoodWet // No. 21 on the label

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

Caramel Color

What it means This is the same additive under a different wording. Federal rules call it caramel, a brown material made by carefully heating food-grade carbohydrates. FDA notes the term can describe any class, so neither wording tells you which class was used.

For your dog Nothing changes for the dog. "Caramel Color" and "Caramel Coloring" name the same additive, and neither wording tells you the class or whether 4-MEI could be present. Its place on the list reflects its weight, not its name.5,9,10

Sources

What we read

Checked September 1, 2026.

  1. 1 Caramel colours, Classes I,II,III, and IV WHO Food Additives Series 20, JECFA, 1987 // Regulator
  2. 2 Caramel colours FAO JECFA Monographs 11, 2011 // Regulator
  3. 3 Toxicology and Carcinogenesis Studies of 4-Methylimidazole in F344/N Rats and B6C3F1 Mice (Feed Studies) National Toxicology Program, 2007 // Government
  4. 4 Food Safety and Nutraceutical Potential of Caramel Colour Class IV Using In Vivo and In Vitro Assays Foods, 2019 // Journal
  5. 5 Questions & Answers About 4-MEI U.S. Food and Drug Administration, n.d. // Government
  6. 6 DDW Natural and Caramel Color Technical Tips Packet DDW, 2014 // Industry
  7. 7 Replacing Caramel Colors in Pet Food - Naturally! Sensient, 2025 // Industry
  8. 8 GFI #223 Small Entity Compliance Guide Declaring Color Additives In Animal Foods U.S. Food and Drug Administration, 2013 // Government
  9. 9 Reading Labels AAFCO, n.d. // Regulator
  10. 10 21 CFR 73.85 Caramel Legal Information Institute, Cornell Law School (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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