Ingredient file // Flavor
Mint
An aromatic herb with unproven health benefits
Mint is an aromatic leaf added to dog food for flavor and for its familiar association with fresh breath and digestion. The amounts listed in published recipes contribute little nutrition, and neither benefit has been shown for mint leaves in food.
- What it is
- Fresh or dried mint leaves added to a recipe chiefly for their herbal aroma and flavor.
- Made from
- Leaves of cultivated mint plants
- Main job
- Aroma and flavor
- Typical amount
- Published recipes list 0.2% and 2%
- Watch for
- Concentrated mint oil is a different exposure
- Not the same as
- Peppermint essential oil
Our read // In our catalog
In 1 of every 2595 foods we track
Share of foods that list it
0%
1 of the 2,595 foods with an ingredient list on file, from 1 brand. All wet dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 14. In the top five of 0 foods, so it is usually a minor 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 Earthborn Holistic. 1 brand use it in total.
What it is
How it is made
Mint is cultivated for food, tea and aromatic products. One route for food ingredients is to separate the leaves, clean them, dry them and mill them. The herb is a crop, not a processing leftover.3,4
- 01 // Source Mint leaves Growers harvest the leafy part of mint plants for its aroma.
- 02 // Process Separated and cleaned Leaves are separated from stems and cleaned before further processing.
- 03 // Process Air dried Drying removes water from the leaves to prepare them for storage and milling.
- 04 // Output Dried mint The cleaned, dried leaves are sometimes ground before being added to a pet food recipe.
What is in it
Composition, dry matter
41
% NDF
About 41% of one dried peppermint sample was neutral detergent fiber. A small recipe addition supplies little fiber to the dog.
Why it is in the bag
What the manufacturer gets
-
01
Adds an herbal aroma
Mint leaves contain aromatic oils. A small addition gives the recipe a recognizable herbal smell and flavor without making the herb a major source of protein or energy.3,10,11
-
02
Supports a digestion story
One maker explicitly says mint is thought to aid digestion. That association helps explain its place on the label, but the recipe does not show a digestive benefit from mint.11
-
03
Needs little per batch
Published recipes list mint at 0.2% and dried mint at 2%. Those small shares let manufacturers feature the herb while buying far less of it than the main ingredients.10,11
-
04
Fits existing herb supply
Mint is already grown for food and aromatic products. Manufacturers can use harvested leaves rather than develop a new ingredient supply from a processing residue.3,4
How much Published dog food recipes declare 0.2% mint and 2% dried mint; neither is a proven effective dose for breath or digestion.10,11
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
Mint freshens breath and keeps teeth clean
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
A blinded crossover trial enrolled 20 dogs and found less oral odor with a topical gel applied after dental cleaning. The gel combined menthol, thymol and antioxidants; it did not test mint leaves in food or show that they clean teeth.1
-
Brands say
Mint settles a dog's stomach
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
A 23-dog study measured digestive hormones after giving a pill that combined peppermint oil with several other herbs. It did not isolate mint or test whether leaves in dog food relieve stomach symptoms.2
-
Brands say
Mint gives dogs antioxidant protection
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
Extracts and infusions from 2 mint varieties showed antioxidant activity in laboratory assays and a cooked meat model. Those tests did not feed mint to dogs or measure a health effect.5
-
Owners say
Any mint in dog food poisons dogs
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
ASPCA warns that large mint ingestions can cause vomiting and diarrhea. That does not show that the small additions declared in dog food recipes poison dogs; concentrated essential oil is a separate exposure.7,8,10,11
Straight answers
What owners ask
-
Q01
Is it just filler?
Mostly flavorMint has a job as an aromatic herb. At the amounts declared in published recipes, it contributes little of the food's protein or fiber, so its presence is no reason to rate the recipe more highly.3,10,11
-
Q02
Will it fix bad breath?
No proofThe dog trial tested a gel applied after dental cleaning, not mint eaten in food. Persistent bad breath can signal dental disease, so have the teeth and gums checked instead of relying on the herb.1,9
-
Q03
Is mint oil the same?
NoEssential oil concentrates the plant's aromatic compounds. ASPCA warns that concentrated oils can harm pets, so a mint leaf on a food label is no reason to give a dog peppermint oil.7,8
-
Q04
Why is mint listed late?
Small additionIngredients are listed by weight when the food is made. Published recipes put mint at 0.2% and 2%, consistent with an aromatic addition while other ingredients provide most of the food.6,10,11
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
- Lamb 100%
- Lamb Broth 100%
- Liver 100%
- Chickpeas 100%
- Dried Whole Eggs 100%
- Calcium Carbonate 100%
- Spinach 100%
- Apples 100%
- Olive Oil 100%
- Sodium Tripolyphosphate 100%
Our read // On the bag
Read mint as flavor, then check the food
Mint near the end of an ingredient list is an aromatic addition. Judge the food by its main ingredients and nutritional adequacy statement. Do not buy it to treat bad breath or stomach trouble. If breath stays bad, have the dog's mouth checked.
Sources
What we read
Checked October 1, 2026.
- 1 Evaluation of a topical gel containing a novel combination of essential oils and antioxidants for reducing oral malodor in dogs
- 2 Evaluation of the effects of Propomin on gastrin and motilin levels in healthy dogs
- 3 Mentha piperita (Peppermint) leaves as feed additive: In vitro ruminal gas, methane and carbon dioxide productions, nutrient degradability, and ruminal fermentation kinetics
- 4 Comparison of Chemical Composition and Colour Parameters of Different Mentha Genus Plants Grown under Organic Conditions
- 5 Polyphenol composition and antioxidant potential of mint leaves
- 6 Ingredients - Making Pet Food
- 7 Toxic and Non-toxic Plants: Mint
- 8 The Essentials of Essential Oils Around Pets
- 9 Animal Owner Resources
- 10 N&D Quinoa - Digestion Lamb
- 11 Lamb with Sweet Potato & Mint