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Ingredient file // Flavor

Parsley

A small seasoning with no proven breath benefit

Parsley is a culinary leaf added to dog food for its herbal flavor and green color. It contains fiber and vitamins, but the small amounts used as seasoning contribute little nutrition. Parsley in food has no proven breath benefit for dogs.

Parsley
What it is
Fresh or dried leaves of the culinary parsley plant, used in food as a seasoning.
Made from
Harvested parsley leaves
Main job
Herbal flavor and color
Typical amount
Not published
Watch for
Large servings can cause skin reactions
Not the same as
Parsley seed oil

Straight answer

Is Parsley safe for dogs?

Read parsley as seasoning and move on

Parsley near the end of an ingredient list is a small seasoning addition. Judge the main ingredients and the nutritional adequacy statement when choosing the food. Do not count parsley as a meaningful vitamin source or buy the bag to treat bad breath.

Why it is in the food
Herbal flavor and color

Our read // In our catalog

In 1 of every 9 foods we track

Share of foods that list it

11%

360 of the 3,204 foods with an ingredient list on file, from 32 brands. 230 dry dog food, 57 wet dog food, 37 frozen dog food.

Each square is 1% of the catalog

Where it sits on the label

Median position 24. In the top five of 3 foods, so it is usually a minor ingredient.

Top five List position, heaviest first

Above the salt

13%

Usually listed after the salt, which caps it at roughly 1% of the recipe in 87% of foods.

Price per lb

Foods with it $3.07
All foods $3.25

Median of the cheapest bag price across 198 priced foods, 6% below the catalog. The price is the food's, not the ingredient's.

Who leans on it

31%

of the foods that list it are from Blue. 32 brands use it in total.

What it is

How it is made

Growers raise parsley for its leaves. Some are sold fresh; others are dried so suppliers can store and ship the herb as flakes or powder for measured additions to food.6,7,11

  1. 01 // Source Parsley leaves Growers harvest leafy parsley plants for use as a culinary herb.
  2. 02 // Process Washed A dried-parsley supplier describes inspecting and washing the harvested herb before dehydration.
  3. 03 // Process Dried Removing water preserves the leaves for storage while retaining some of their green color and flavor.
  4. 04 // Output Flakes or powder Suppliers sell dried leaves as visible flakes or finely milled powder for food manufacturing.

What is in it

Composition, dry matter

27.53

% crude fiber

This is the measured fiber share of one freeze-dried leaf sample. At seasoning amounts, parsley contributes little fiber to the finished food.

Crude protein 30.3%2
Crude fiber 27.5%2
Ash 13.7%2
Crude fat 6.1%2

These figures describe one freeze-dried leaf sample analyzed in three replicates, not a range of commercial parsley. A supplier's leaf and stem mix and drying method can differ.2,11

Why it is in the bag

What the manufacturer gets

  1. 01

    Adds herbal flavor

    Parsley is grown as a culinary seasoning, and dehydrated leaves retain some characteristic flavor. Its role in dog food is seasoning, not a main source of protein.6,9

  2. 02

    Adds green color

    Dehydrated parsley retains green color. Cut leaves leave visible flecks in a recipe, while finely milled parsley gives a more even tint.6,11

  3. 03

    Supplies a storable herb

    Drying lets suppliers pack parsley as flakes or powder for bulk shipment. Manufacturers can measure dry material into production runs without storing fresh leaves.7,11

How much A typical kibble amount is not published; one dry dog food declares 0.07% dried parsley.9

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

    Parsley gives dog food an herbal flavor

    Evidence

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

    A university crop guide says dehydrated leaves retain characteristic flavor, and one dry food lists 0.07% parsley. That supports a seasoning role; no dog preference trial cited here shows that parsley improves appetite.6,9

  2. Brands say

    Parsley freshens a dog's breath

    Outruns the evidence

    Evidence

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

    A brand sells a breath treat containing 0.2% parsley. A 14-dog crossover trial found that a textured dental chew reduced breath odor, but it did not test parsley. The herb's breath benefit remains unproven.1,10

  3. Brands say

    Parsley's vitamins improve a dog's health

    Outruns the evidence

    Evidence

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

    Dried parsley contains vitamins K and C, but one kibble uses only 0.07%. Dogs make their own vitamin C. No dog feeding trial cited here shows a health benefit from parsley at that amount.3,8,9

  4. Brands say

    Parsley antioxidants protect dogs

    Outruns the evidence

    Evidence

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

    A laboratory test found an 11-day oxidation delay with an acid-treated parsley extract, versus 6 days with untreated extract. It tested oil in water, not ordinary parsley in dog food or a health effect in dogs.2

  5. Owners say

    Any parsley in dog food is poisonous

    Outruns the evidence

    Evidence

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

    ASPCA warns that parsley's furanocoumarins can cause sunburn-like skin reactions, but says large amounts are needed. A kibble declaring 0.07% parsley presents a different exposure; the warning does not show harm from that addition.4,9

Straight answers

What owners ask

  1. Q01

    Is it just filler?

    Mostly seasoning

    Parsley adds herbal flavor and green color. The leaves contain protein and fiber, but the small addition shown on a dry food label contributes little of either to the finished recipe.2,6,9

  2. Q02

    Will it fix bad breath?

    No proof

    The controlled dog trial tested dental chews, not parsley. Persistent bad breath can signal trouble with teeth or gums, so a parsley listing is no substitute for checking your dog's mouth.1

  3. Q03

    Why is parsley listed last?

    Small addition

    Ingredients are listed from most to least by weight. Parsley near the end weighs less than the ingredients ahead of it, though the list alone cannot tell you its exact amount.5

Who uses it

Brands, best sellers and the company it keeps

Usually listed with, share of the foods that list it

  1. Peas 46%
  2. Flaxseed 43%
  3. Chicken 42%
  4. Chicken Meal 39%
  5. Chicken Fat 34%
  6. Mixed Tocopherols 31%
  7. Natural Flavor 29%
  8. Oatmeal 29%
  9. Brown Rice 25%
  10. Barley 23%
  11. Potatoes 21%
  12. Carrots 21%

On the shelf

Foods that list Parsley

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

Show 48 more
Merrick Grain-Free Beef Bone Broth Dog Food TopperMerrickMerrick Grain-Free Beef Bone Broth Dog Food TopperTopper // No. 4 on the labelPrimal Raw Patties - Turkey & Sardine Recipe Frozen Dog FoodPrimalPrimal Raw Patties - Turkey & Sardine Recipe Frozen Dog FoodFrozen // No. 8 on the labelPrimal Raw Nuggets - Turkey & Sardine Recipe Frozen Dog FoodPrimalPrimal Raw Nuggets - Turkey & Sardine Recipe Frozen Dog FoodFrozen // No. 8 on the labelPrimal Raw Scoopable Pronto Puppy Freeze-Dried Dog FoodPrimalPrimal Raw Scoopable Pronto Puppy Freeze-Dried Dog FoodFreeze-Dried // No. 9 on the labelPrimal Raw Scoopable Pronto Puppy Frozen Dog FoodPrimalPrimal Raw Scoopable Pronto Puppy Frozen Dog FoodFrozen // No. 9 on the labelNulo Raw Duck Recipe with Pears Freeze-Dried Dog FoodNuloNulo Raw Duck Recipe with Pears Freeze-Dried Dog FoodFreeze-Dried // No. 10 on the labelOC Raw Dog Complete Meals Lamb & Produce Frozen Dog FoodOC Raw DogOC Raw Dog Complete Meals Lamb & Produce Frozen Dog FoodFrozen // No. 10 on the labelOC Raw Dog Complete Meals Turkey & Produce Frozen Dog FoodOC Raw DogOC Raw Dog Complete Meals Turkey & Produce Frozen Dog FoodFrozen // No. 10 on the labelZIWI Air-Dried Venison Dog Food TopperZIWIZIWI Air-Dried Venison Dog Food TopperTopper // No. 10 on the labelPrimal Freeze-Dried Raw Nuggets Dog Food TopperPrimalPrimal Freeze-Dried Raw Nuggets Dog Food TopperTopper // No. 10 on the labelEvanger’s Super Premium Chicken with Brown Rice Recipe Dry Dog FoodEvanger'sEvanger’s Super Premium Chicken with Brown Rice Recipe Dry Dog FoodDry // No. 10 on the labelSmallbatch Chicken Sliders Freeze-Dried Dog FoodSmallbatchSmallbatch Chicken Sliders Freeze-Dried Dog FoodFreeze-Dried // No. 11 on the labelOC Raw Dog Rabbit & Produce Freeze-Dried Dog FoodOC Raw DogOC Raw Dog Rabbit & Produce Freeze-Dried Dog FoodFreeze-Dried // No. 11 on the labelOC Raw Dog Complete Meals Rabbit & Produce Frozen Dog FoodOC Raw DogOC Raw Dog Complete Meals Rabbit & Produce Frozen Dog FoodFrozen // No. 11 on the labelOC Raw Dog Complete Meals Chicken & Produce Frozen Dog FoodOC Raw DogOC Raw Dog Complete Meals Chicken & Produce Frozen Dog FoodFrozen // No. 11 on the labelGentle Giants Natural Non GMO Ingredients Grain Free Dog and Puppy Food Gentle Giants ‘Quality of Life’ 90% Chicken -Dog and Pup Wet Dog FoodGentle GiantsGentle Giants Natural Non GMO Ingredients Grain Free Dog and Puppy Food Gentle Giants ‘Quality of Life’ 90% Chicken -Dog and Pup Wet Dog FoodWet // No. 11 on the labelDarwin’s Natural Pet Products Intelligent Design for Dogs Joint Support Grain-Free Frozen Dog FoodDarwin's Natural Pet ProductsDarwin’s Natural Pet Products Intelligent Design for Dogs Joint Support Grain-Free Frozen Dog FoodFrozen // No. 12 on the labelDarwin’s Natural Pet Products BioLogics Raw Chicken for Healthy Dogs Grain-Free Frozen Dog FoodDarwin's Natural Pet ProductsDarwin’s Natural Pet Products BioLogics Raw Chicken for Healthy Dogs Grain-Free Frozen Dog FoodFrozen // No. 12 on the labelNorthwest Naturals Nuggets; Bulk Meal Bars; Chubs Trout Recipe Frozen Dog FoodNorthwest NaturalsNorthwest Naturals Nuggets; Bulk Meal Bars; Chubs Trout Recipe Frozen Dog FoodFrozen // No. 12 on the labelSmallbatch Beef Sliders Freeze-Dried Dog FoodSmallbatchSmallbatch Beef Sliders Freeze-Dried Dog FoodFreeze-Dried // No. 12 on the labelSmallbatch Lightly Cooked Chicken Frozen Dog FoodSmallbatchSmallbatch Lightly Cooked Chicken Frozen Dog FoodFrozen // No. 12 on the labelSmallbatch Lightly Cooked Beef Frozen Dog FoodSmallbatchSmallbatch Lightly Cooked Beef Frozen Dog FoodFrozen // No. 12 on the labelOC Raw Dog Chicken, Fish & Produce Freeze-Dried Dog FoodOC Raw DogOC Raw Dog Chicken, Fish & Produce Freeze-Dried Dog FoodFreeze-Dried // No. 12 on the labelOC Raw Dog Chicken & Produce Freeze-Dried Dog FoodOC Raw DogOC Raw Dog Chicken & Produce Freeze-Dried Dog FoodFreeze-Dried // No. 12 on the labelOC Raw Dog Complete Meals Chicken, Fish & Produce Frozen Dog FoodOC Raw DogOC Raw Dog Complete Meals Chicken, Fish & Produce Frozen Dog FoodFrozen // No. 12 on the labelOC Raw Dog Complete Meals Beef & Produce Grain-Free Frozen Dog FoodOC Raw DogOC Raw Dog Complete Meals Beef & Produce Grain-Free Frozen Dog FoodFrozen // No. 12 on the labelZIWI Air-Dried Beef Dog Food TopperZIWIZIWI Air-Dried Beef Dog Food TopperTopper // No. 12 on the labelFromm Four-Star Diner Favorites Bella’s Beef Barkundy Stew Wet Dog FoodFrommFromm Four-Star Diner Favorites Bella’s Beef Barkundy Stew Wet Dog FoodWet // No. 12 on the labelEvanger’s Grain-Free Chicken with Sweet Potato and Pumpkin Recipe Dry Dog FoodEvanger'sEvanger’s Grain-Free Chicken with Sweet Potato and Pumpkin Recipe Dry Dog FoodDry // No. 12 on the labelDarwin’s Natural Pet Products Intelligent Design for Dogs Comprehensive Cancer Support Grain-Free Frozen Dog FoodDarwin's Natural Pet ProductsDarwin’s Natural Pet Products Intelligent Design for Dogs Comprehensive Cancer Support Grain-Free Frozen Dog FoodFrozen // No. 13 on the labelAnswers Pet Food Detailed Mighty Raw Chicken Frozen Dog FoodAnswers Pet FoodAnswers Pet Food Detailed Mighty Raw Chicken Frozen Dog FoodFrozen // No. 13 on the labelOC Raw Dog Duck & Produce Wet Dog FoodOC Raw DogOC Raw Dog Duck & Produce Wet Dog FoodWet // No. 13 on the labelOC Raw Dog Venison & Produce Freeze-Dried Dog FoodOC Raw DogOC Raw Dog Venison & Produce Freeze-Dried Dog FoodFreeze-Dried // No. 13 on the labelOC Raw Dog Duck & Produce Freeze-Dried Dog FoodOC Raw DogOC Raw Dog Duck & Produce Freeze-Dried Dog FoodFreeze-Dried // No. 13 on the labelGentle Giants Natural Non GMO Ingredients Grain Free Dog and Puppy Food Gentle Giants ‘Quality of Life’ 90% Turkey -Dog and Pupp Wet Dog FoodGentle GiantsGentle Giants Natural Non GMO Ingredients Grain Free Dog and Puppy Food Gentle Giants ‘Quality of Life’ 90% Turkey -Dog and Pupp Wet Dog FoodWet // No. 13 on the labelWellness Core Bowl Boosters Hearty Toppers Chicken & Pumpkin Recipe in Savory Bone Broth Dog Food TopperWellnessWellness Core Bowl Boosters Hearty Toppers Chicken & Pumpkin Recipe in Savory Bone Broth Dog Food TopperTopper // No. 13 on the labelAnnamaet Chicken Raw Freeze-Dried Dog FoodAnnamaetAnnamaet Chicken Raw Freeze-Dried Dog FoodFreeze-Dried // No. 14 on the labelAnnamaet Turkey Raw Freeze-Dried Dog FoodAnnamaetAnnamaet Turkey Raw Freeze-Dried Dog FoodFreeze-Dried // No. 14 on the labelNulo Raw Beef Recipe with Apples Freeze-Dried Dog FoodNuloNulo Raw Beef Recipe with Apples Freeze-Dried Dog FoodFreeze-Dried // No. 14 on the labelAnswers Pet Food Detailed Mighty Raw Turkey Frozen Dog FoodAnswers Pet FoodAnswers Pet Food Detailed Mighty Raw Turkey Frozen Dog FoodFrozen // No. 14 on the labelAnswers Pet Food Detailed Mighty Raw Pork Frozen Dog FoodAnswers Pet FoodAnswers Pet Food Detailed Mighty Raw Pork Frozen Dog FoodFrozen // No. 14 on the labelAnswers Pet Food Detailed Mighty Raw Beef Frozen Dog FoodAnswers Pet FoodAnswers Pet Food Detailed Mighty Raw Beef Frozen Dog FoodFrozen // No. 14 on the labelSmallbatch Raw Beef Sliders Frozen Dog FoodSmallbatchSmallbatch Raw Beef Sliders Frozen Dog FoodFrozen // No. 14 on the labelWellness Core Bowl Boosters Hearty Toppers Beef & Green Beans Recipe in Savory Bone Broth Dog Food TopperWellnessWellness Core Bowl Boosters Hearty Toppers Beef & Green Beans Recipe in Savory Bone Broth Dog Food TopperTopper // No. 14 on the labelCesar Home Delights Pot Roast with Spring Vegetables Dinner Wet Dog FoodCesarCesar Home Delights Pot Roast with Spring Vegetables Dinner Wet Dog FoodWet // No. 14 on the labelWysong Archetype Burgers Freeze-Dried Raw Dog FoodWysongWysong Archetype Burgers Freeze-Dried Raw Dog FoodFreeze-Dried // No. 14 on the labelNow Fresh Chicken & Broth Wet Food for Small Breed Dogs Grain-Free Wet Dog FoodNow FreshNow Fresh Chicken & Broth Wet Food for Small Breed Dogs Grain-Free Wet Dog FoodWet // No. 15 on the labelNulo Raw Turkey & Salmon Recipe with Strawberries Freeze-Dried Dog FoodNuloNulo Raw Turkey & Salmon Recipe with Strawberries Freeze-Dried Dog FoodFreeze-Dried // No. 15 on the label

On labels as

Fresh and organic parsley compared

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

Fresh parsley

Matters for your dog No

Fresh Parsley

What it means AAFCO's feed term says a fresh ingredient has not been frozen, cooked, dried, rendered or hydrolyzed, or treated with salt or preservatives, and is kept only by refrigeration. It describes the herb when it reaches the plant, not the finished food.

For your dog Fresh leaves still hold their water, so they weigh more going in and can rank a little higher than dried flakes would. Most foods then cook or freeze the mix. We found no study showing fresh parsley does more for a dog at seasoning amounts.5,12

Organic parsley

Matters for your dog A little

Organic Parsley

What it means The USDA National Organic Program sets the rules: no synthetic substances outside a short approved list, no sewage sludge, irradiation or genetic engineering. A food sold as organic needs 95% organic ingredients. It does not promise more nutrients or a residue-free leaf.

For your dog A meta-analysis of 343 studies found pesticide residues 4 times as often on conventional crops, and more polyphenols in organic ones. Parsley is a small seasoning addition, so either difference likely shrinks to very little in the finished food. No dog study has tested organic parsley.13,14,15

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

Sources

What we read

Checked September 1, 2026.

  1. 1 Effectiveness of oral care interventions on malodour in dogs BMC Veterinary Research, 2022 // Journal
  2. 2 Acid-hydrolyzed phenolic extract of parsley (Petroselinum crispum L.) leaves inhibits lipid oxidation in soybean oil-in-water emulsions Food Research International, 2024 // Journal
  3. 3 調味料及び香辛料類/<香辛料類>/パセリ/乾 Ministry of Education, Culture, Sports, Science and Technology, Japan, 2023 // Government
  4. 4 Toxic and Non-toxic Plants: Parsley ASPCA Animal Poison Control, n.d. // Nonprofit
  5. 5 What’s in the Ingredients List? AAFCO, n.d. // Regulator
  6. 6 Parsley Oregon State University Extension, n.d. // University
  7. 7 Drying Project Manual University of California Agriculture and Natural Resources, n.d. // University
  8. 8 Nutritional Requirements of Small Animals Merck Veterinary Manual, n.d. // Book
  9. 9 BETA® Turkey and Lamb Dry Dog Food Purina, n.d. // Industry
  10. 10 What are the ingredients in Fresh Breath treats? Different Dog, 2026 // Industry
  11. 11 Dehydrated parsley flakes & powder Dehydrated Veg, 2026 // Industry
  12. 12 Buyer Beware: What Research and Resulting Media Got Wrong About The Farmer's Dog's Recent Study BSM Partners, 2025 // Industry
  13. 13 7 CFR § 205.105 Allowed and prohibited substances, methods, and ingredients in organic production and handling Legal Information Institute, Cornell Law School (US Code of Federal Regulations), n.d. // Regulator
  14. 14 Understanding Dog Food Labels Purdue University Canine Welfare Science, Croney Research Group, n.d. // University
  15. 15 Higher antioxidant and lower cadmium concentrations and lower incidence of pesticide residues in organically grown crops: a systematic literature review and meta-analyses British Journal of Nutrition, 2014 // Journal
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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