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Ingredient file // Fiber

Pea Fiber

Useful stool bulk, without proven health perks

Pea fiber is the fibrous portion separated from pea seeds during processing. It gives formulators a way to add stool bulk and reduce a food's energy density. Studies of mixed recipes do not show that pea fiber alone firms stools or helps dogs lose weight.

Role in the food Does a job
Pea Fiber
What it is
A dried, fiber-rich fraction separated from pea seed coats or inner seed material during processing.
Made from
Pea seed coats or inner seed
Main job
Fiber for stool bulk
Typical amount
Not published
Watch for
Several pea ingredients high on one list
Not the same as
Pea protein

Straight answer

Is Pea Fiber safe for dogs?

Read pea fiber alongside the other peas

The list ranks by weight but never says how much pea fiber a food holds. If peas, pea protein, pea starch and pea fiber sit high together, the recipe leans on peas more than any one line shows. Judge the whole food and your dog's stools, and ignore weight loss or gut repair promises for pea fiber.

Why it is in the food
Fiber for stool bulk

Our read // In our catalog

In 1 of every 9 foods we track

Share of foods that list it

11%

353 of the 3,204 foods with an ingredient list on file, from 31 brands. 305 dry dog food, 33 wet dog food, 9 frozen dog food.

Each square is 1% of the catalog

Where it sits on the label

Median position 10. In the top five of 20 foods, so it is usually a supporting ingredient.

Top five List position, heaviest first

Above the salt

86%

Listed before the salt in 86% of foods. In the rest it is under about 1% of the recipe.

Price per lb

Foods with it $3.30
All foods $3.25

Median of the cheapest bag price across 260 priced foods, about level with the catalog. The price is the food's, not the ingredient's.

Who leans on it

28%

of the foods that list it are from Blue. 31 brands use it in total.

What it is

How it is made

Food processors separate peas to make protein and starch ingredients. Seed coats and fiber from the inner seed remain after separation; drying those fractions gives the processor another ingredient to sell.5,6

  1. 01 // Source Dry pea seeds Each seed has an outer coat and an inner portion containing starch, protein and fiber.
  2. 02 // Process Separate seed fractions Dehulling removes the coat; protein extraction also leaves fiber from the inner portion.
  3. 03 // Process Dry the fiber Processors dry the separated material for storage and mixing into dry food recipes.
  4. 04 // Output Pea fiber The kibble plant receives a dry fiber ingredient whose makeup depends on the fraction supplied.

What is in it

Composition, dry matter

59.5

% fiber

Total dietary fiber in one tested pea fiber sample. Most was insoluble, the fraction that contributes stool bulk.

Total dietary fiber 59.5%5
Insoluble fiber 55%5
Crude protein 14.3%5
Soluble fiber 4.5%5

These figures describe one sample, not a specification. The seed coat is richer in fiber than the inner seed, so the fraction a supplier separates changes the ingredient's makeup.5,6

Why it is in the bag

There to bulk stools, not just filler

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

Formulators add pea fiber for its fiber. One tested sample was 59.5% dietary fiber on a dry matter basis, mostly insoluble, the kind that adds stool bulk and dilutes a recipe's energy. Labels rank by weight but give no amounts. The dog trials we cite tested it in mixed recipes, not alone. It also gives pea processors a buyer for a leftover fraction.2,4,5,6,8

  1. 01

    Adds stool bulk

    Most fiber in the tested sample was insoluble. Fiber that escapes digestion contributes material to the stool, letting formulators adjust stool output.5

  2. 02

    Lowers energy density

    Replacing digestible ingredients with fiber reduces a recipe's available energy. A dog trial found lower energy digestibility in a blend containing pea fiber, but did not isolate its contribution.2,3

  3. 03

    Sells a side stream

    Pea protein processing leaves substantial starch and fiber fractions. Selling the fiber gives processors another use for material separated from the crop.6

How much One long dog trial fed a complete recipe containing 9.7% pea fiber; that test amount does not indicate a usual rate.1

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

    Pea fiber keeps stools firm

    Outruns the evidence

    Evidence

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

    A controlled study in 12 dogs found firmer stools with a mixed fiber and biotic recipe. It did not test pea fiber alone, so it cannot support a promise that this ingredient will fix soft stool.4

  2. Brands say

    Pea fiber makes weight loss easier

    Outruns the evidence

    Evidence

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

    In a 12-dog trial, a recipe with pea fiber and several other additions lowered energy digestibility and increased stool output. The trial did not isolate pea fiber or test weight loss or fullness.2,3

  3. Brands say

    Pea fiber feeds beneficial gut bacteria

    Outruns the evidence

    Evidence

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

    A laboratory study incubated pea fiber with dog fecal bacteria and measured butyrate at 7.7% of fermentation acids. That shows microbial activity in test tubes, not a gut health benefit in dogs fed pea fiber.5

  4. Critics say

    Pea fiber is just filler

    Outruns the evidence

    Evidence

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

    One tested sample contained 59.5% dietary fiber, mostly insoluble. Fiber has a stool-bulking job, although dog trials of mixed recipes cannot assign their stool changes to pea fiber alone.4,5

Straight answers

What owners ask

  1. Q01

    Is it just filler?

    No

    It supplies fiber for stool bulk and changes the balance of digestible material in a recipe. That is a formulation job, even though a pea fiber line on the label promises no special health benefit.5

  2. Q02

    Is it the same as peas?

    No

    Whole peas retain their starch, protein and fiber. Pea fiber is a separated fraction used mainly for its fiber. Peas, pea protein and pea fiber appear as separate ingredients on a label.6,8

  3. Q03

    Should I worry about DCM?

    Look wider

    Pea fiber alone has not been shown to cause DCM. FDA's investigation concerns complete diets with substantial pea or other pulse ingredients. If your dog has diagnosed DCM, have its treating clinician review the entire recipe.1,7,9

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. Blue 98 / 186
  2. Royal Canin 57 / 160
  3. Nulo 29 / 117
  4. Simply Nourish 22 / 44
  5. Now Fresh 19 / 35
  6. Solid Gold 16 / 46
  7. Hill's 14 / 116
  8. Lotus 14 / 32
  9. Purina 12 / 185
  10. Nutro 8 / 71

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

Plus 21 more brands.

Amazon best sellers that list it

  1. #1 Blue Life Protection Formula Adult Chicken and Brown Rice Recipe Dry Dog Food
  2. #4 Hill’s Science Diet Light Small & Mini Chicken Recipe Dry Dog Food
  3. #5 Blue Life Protection Formula Adult Small Breed Chicken and Brown Rice Recipe Dry Dog Food
  4. #27 Blue Life Protection Formula Senior Chicken and Brown Rice Recipe Dry Dog Food
  5. #35 Blue Life Protection Formula Small Breed Senior Chicken and Brown Rice Recipe Dry Dog Food
  6. #51 Blue Wilderness Adult Chicken plus Grains Recipe Dry Dog Food
  7. #61 Hill’s Science Diet Adult Perfect Weight Chicken Recipe Dry Dog Food
  8. #75 Royal Canin Small Puppy 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. Natural Flavor 53%
  2. Peas 50%
  3. Chicken Fat 42%
  4. Mixed Tocopherols 39%
  5. Flaxseed 38%
  6. Chicken 36%
  7. Chicken Meal 31%
  8. Brown Rice 27%
  9. Pea Protein 25%
  10. Potatoes 24%
  11. Pea Starch 23%
  12. Dried Plain Beet Pulp 20%

On the shelf

Foods that list Pea Fiber

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

Royal Canin Veterinary Urinary SO + Satiety Dry Dog FoodRoyal CaninRoyal Canin Veterinary Urinary SO + Satiety Dry Dog FoodDry // No. 2 on the labelRoyal Canin Veterinary Satiety Support Weight Management Small Dog Dry Dog FoodRoyal CaninRoyal Canin Veterinary Satiety Support Weight Management Small Dog Dry Dog FoodDry // No. 2 on the labelSolid Gold Fit and Fabulous Alaskan Pollock Dry Dog FoodSolid GoldSolid Gold Fit and Fabulous Alaskan Pollock Dry Dog FoodDry // No. 3 on the labelSolid Gold Fit and Fabulous Weight Control with Alaskan Pollock Dry Dog FoodSolid GoldSolid Gold Fit and Fabulous Weight Control with Alaskan Pollock Dry Dog FoodDry // No. 3 on the labelNutriSource Grain-Free Weight Management Dry Dog FoodNutriSourceNutriSource Grain-Free Weight Management Dry Dog FoodDry // No. 3 on the labelNutriSource Weight Management Dry Dog FoodNutriSourceNutriSource Weight Management Dry Dog FoodDry // No. 3 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. 4 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. 4 on the labelSimply Nourish Original Weight Management Small Breed Adult Dry Dog FoodSimply NourishSimply Nourish Original Weight Management Small Breed Adult Dry Dog FoodDry // No. 5 on the labelWhole Earth Farms Grain-Free Recipe Healthy Weight Dry Dog FoodWhole Earth FarmsWhole Earth Farms Grain-Free Recipe Healthy Weight Dry Dog FoodDry // No. 5 on the labelNow Fresh Grain-Free Senior Dog Food Recipe Dry Dog FoodNow FreshNow Fresh Grain-Free Senior Dog Food Recipe Dry Dog FoodDry // No. 5 on the labelBlue Life Protection Formula Adult Healthy Weight Chicken and Brown Rice Recipe Dry Dog FoodBlueBlue Life Protection Formula Adult Healthy Weight Chicken and Brown Rice Recipe Dry Dog FoodDry // No. 5 on the label
Show 48 more
Royal Canin Medium Weight Care Dry Dog FoodRoyal CaninRoyal Canin Medium Weight Care Dry Dog FoodDry // No. 2 on the labelRoyal Canin Size Health Nutrition Large Weight Care Dry Dog FoodRoyal CaninRoyal Canin Size Health Nutrition Large Weight Care Dry Dog FoodDry // No. 3 on the labelRoyal Canin Veterinary Satiety Support Weight Management Dry Dog FoodRoyal CaninRoyal Canin Veterinary Satiety Support Weight Management Dry Dog FoodDry // No. 3 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. 4 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. 4 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. 4 on the labelRoyal Canin Veterinary Weight Control Dry Dog FoodRoyal CaninRoyal Canin Veterinary Weight Control Dry Dog FoodDry // No. 5 on the labelRoyal Canin Small Weight Care Dry Dog FoodRoyal CaninRoyal Canin Small Weight Care Dry Dog FoodDry // No. 5 on the labelBlue Wilderness Rocky Mountain Senior Wet Dog FoodBlueBlue Wilderness Rocky Mountain Senior Wet Dog FoodWet // No. 6 on the labelBlue Wilderness Senior Turkey Chicken Grill Wet Dog FoodBlueBlue Wilderness Senior Turkey Chicken Grill Wet Dog FoodWet // No. 6 on the labelSimply Nourish Original Grain Free Large Breed Adult Dry Dog FoodSimply NourishSimply Nourish Original Grain Free Large Breed Adult Dry Dog FoodDry // No. 6 on the labelNow Fresh Turkey, Salmon & Duck Grain-Free Dry Dog FoodNow FreshNow Fresh Turkey, Salmon & Duck Grain-Free Dry Dog FoodDry // No. 6 on the labelInstinct Original Food for Small Breed Dogs Real Beef Recipe Wet Dog FoodInstinctInstinct Original Food for Small Breed Dogs Real Beef Recipe Wet Dog FoodWet // No. 6 on the labelSimply Nourish Source Senior Grain-Free Dry Dog FoodSimply NourishSimply Nourish Source Senior Grain-Free Dry Dog FoodDry // No. 6 on the labelRachael Ray Nutrish Big Life Hearty Beef, Veggies & Brown Rice Dry Dog FoodRachael Ray NutrishRachael Ray Nutrish Big Life Hearty Beef, Veggies & Brown Rice Dry Dog FoodDry // No. 6 on the labelNulo MedalSeries Limited+ MedalSeries Limited Ingredient Diet Turkey Recipe Grain-Free Dry Dog FoodNuloNulo MedalSeries Limited+ MedalSeries Limited Ingredient Diet Turkey Recipe Grain-Free Dry Dog FoodDry // No. 6 on the labelHill’s Science Diet Adult Perfect Weight & Joint Support Large Breed Chicken & Brown Rice Recipe Dry Dog FoodHill'sHill’s Science Diet Adult Perfect Weight & Joint Support Large Breed Chicken & Brown Rice Recipe Dry Dog FoodDry // No. 6 on the labelRoyal Canin Veterinary Mature Consult Dry Dog FoodRoyal CaninRoyal Canin Veterinary Mature Consult Dry Dog FoodDry // No. 6 on the labelRoyal Canin Veterinary Weight Control Large Dog Dry Dog FoodRoyal CaninRoyal Canin Veterinary Weight Control Large Dog Dry Dog FoodDry // No. 6 on the labelRoyal Canin Veterinary Gastrointestinal Low Fat Dry Dog FoodRoyal CaninRoyal Canin Veterinary Gastrointestinal Low Fat Dry Dog FoodDry // No. 6 on the labelRoyal Canin Veterinary Satiety + Hydrolyzed Protein Dry Dog FoodRoyal CaninRoyal Canin Veterinary Satiety + Hydrolyzed Protein Dry Dog FoodDry // No. 6 on the labelSolid Gold Mighty Mini Toy & Small Breed Salmon, Lentil & Green Bean Recipe Dry Dog FoodSolid GoldSolid Gold Mighty Mini Toy & Small Breed Salmon, Lentil & Green Bean Recipe Dry Dog FoodDry // No. 6 on the labelRoyal Canin Medium Dental Care Dry Dog FoodRoyal CaninRoyal Canin Medium Dental Care Dry Dog FoodDry // No. 6 on the labelHolistic Select Weight Management Grain-Free Chicken Meal & Peas Recipe Dry Dog FoodHolistic SelectHolistic Select Weight Management Grain-Free Chicken Meal & Peas Recipe Dry Dog FoodDry // No. 6 on the labelBlue Life Protection Formula Large Breed Senior Chicken and Brown Rice Recipe Dry Dog FoodBlueBlue Life Protection Formula Large Breed Senior Chicken and Brown Rice Recipe Dry Dog FoodDry // No. 6 on the labelBil-Jac Grain-Free Adult Dry Dog FoodBil-JacBil-Jac Grain-Free Adult Dry Dog FoodDry // No. 6 on the labelGo! Solutions Weight Management + Joint Care Salmon Grain-Free Dry Dog FoodGo! SolutionsGo! Solutions Weight Management + Joint Care Salmon Grain-Free Dry Dog FoodDry // No. 7 on the labelSimply Nourish Original Grain Free Small Breed Adult Dry Dog FoodSimply NourishSimply Nourish Original Grain Free Small Breed Adult Dry Dog FoodDry // No. 7 on the labelWellness Core Grain Free Small Breed Healthy Weight Turkey Recipe Dog Dry Dog FoodWellnessWellness Core Grain Free Small Breed Healthy Weight Turkey Recipe Dog Dry Dog FoodDry // No. 7 on the labelSolid Gold Leaping Waters Grain Free Fish Wet Dog FoodSolid GoldSolid Gold Leaping Waters Grain Free Fish Wet Dog FoodWet // No. 7 on the labelInstinct Original Food for Small Breed Dogs Real Chicken Recipe Grain-Free Wet Dog FoodInstinctInstinct Original Food for Small Breed Dogs Real Chicken Recipe Grain-Free Wet Dog FoodWet // No. 7 on the labelBlue True Solutions Weight Control Wet Dog FoodBlueBlue True Solutions Weight Control Wet Dog FoodWet // No. 7 on the labelBlue Homestyle Recipe Healthy Weight Chicken Pate Wet Dog FoodBlueBlue Homestyle Recipe Healthy Weight Chicken Pate Wet Dog FoodWet // No. 7 on the labelBlue Freedom Senior Chicken Wet Dog FoodBlueBlue Freedom Senior Chicken Wet Dog FoodWet // No. 7 on the labelSimply Nourish Original Large Breed Puppy Dry Dog FoodSimply NourishSimply Nourish Original Large Breed Puppy Dry Dog FoodDry // No. 7 on the labelSimply Nourish Limited Ingredient Diet Senior Grain-Free Dry Dog FoodSimply NourishSimply Nourish Limited Ingredient Diet Senior Grain-Free Dry Dog FoodDry // No. 7 on the labelNulo MedalSeries Limited+ MedalSeries Limited Ingredient Diet Chicken Recipe Grain-Free Dry Dog FoodNuloNulo MedalSeries Limited+ MedalSeries Limited Ingredient Diet Chicken Recipe Grain-Free Dry Dog FoodDry // No. 7 on the labelFarmina Vet Life Diabetic Canine Dry Dog FoodFarminaFarmina Vet Life Diabetic Canine Dry Dog FoodDry // No. 7 on the labelGo! Solutions Weight Management + Joint Care Chicken Grain-Free Dry Dog FoodGo! SolutionsGo! Solutions Weight Management + Joint Care Chicken Grain-Free Dry Dog FoodDry // No. 7 on the labelRoyal Canin Veterinary Dental Small Dog Dry Dog FoodRoyal CaninRoyal Canin Veterinary Dental Small Dog Dry Dog FoodDry // No. 7 on the labelRoyal Canin Veterinary Dental Dry Dog FoodRoyal CaninRoyal Canin Veterinary Dental Dry Dog FoodDry // No. 7 on the labelRoyal Canin Veterinary Vegetarian Dry Dog FoodRoyal CaninRoyal Canin Veterinary Vegetarian Dry Dog FoodDry // No. 7 on the labelRoyal Canin Veterinary Gastrointestinal High Fiber Dry Dog FoodRoyal CaninRoyal Canin Veterinary Gastrointestinal High Fiber Dry Dog FoodDry // No. 7 on the labelHill’s Bioactive Recipe Adult Fit + Radiant Dry Dog FoodHill'sHill’s Bioactive Recipe Adult Fit + Radiant Dry Dog FoodDry // No. 7 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. 7 on the labelHill’s Bioactive Recipe Adult Large Breed Fit + Radiant Dry Dog FoodHill'sHill’s Bioactive Recipe Adult Large Breed Fit + Radiant Dry Dog FoodDry // No. 7 on the labelWellness Core Small Breed Healthy Weight Grain-Free Dry Dog FoodWellnessWellness Core Small Breed Healthy Weight Grain-Free Dry Dog FoodDry // No. 7 on the labelWellness Core Reduced Fat Grain-Free Dry Dog FoodWellnessWellness Core Reduced Fat Grain-Free Dry Dog FoodDry // No. 7 on the label

Leaving it out

Foods without peas

For owners who skip peas: popular dry foods priced like the ones that list it ($2.30 to $4.61 per lb), with no peas on the label.

Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog FoodPurinaPurina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog FoodDry // $2.37 per lbHill’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 // $2.33 per lbHill’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 // $2.33 per lbRoyal Canin Small Adult Dry Dog FoodRoyal CaninRoyal Canin Small Adult Dry Dog FoodDry // $3.33 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 Small Breed Beef And Rice Dry Dog FoodPurinaPurina Pro Plan Small Breed Beef And Rice Dry Dog FoodDry // $3.03 per lbThe Honest Kitchen Whole Grain Chicken & Oat Recipe Whole Food Clusters Dry Dog FoodThe Honest KitchenThe Honest Kitchen Whole Grain Chicken & Oat Recipe Whole Food Clusters Dry Dog FoodDry // $4.41 per lb

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

Sources

What we read

Checked October 1, 2026.

  1. 1 Different carbohydrate sources in dog foods supported overall health and cardiac function: an 18-mo prospective study in healthy adult dogs Journal of Animal Science, 2025 // Journal
  2. 2 Effects of dietary fiber and biotic supplementation on apparent total tract macronutrient digestibility and the fecal characteristics, metabolites, and microbiota of healthy adult dogs Journal of Animal Science, 2024 // Journal
  3. 3 199 Effects of Dietary Fiber and Biotic Supplementation on Apparent Total Tract Macronutrient Digestibility, Fecal Characteristics, and Fecal Metabolites of Healthy Adult Dogs Journal of Animal Science, 2023 // Journal
  4. 4 Dietary supplementation with fiber, "biotics," and spray-dried plasma affects apparent total tract macronutrient digestibility and the fecal characteristics, fecal microbiota, and immune function of adult dogs Journal of Animal Science, 2022 // Journal
  5. 5 Substrate degradation and postbiotic analysis of alternative fiber ingredients fermented using an in vitro canine fecal inoculum model Journal of Animal Science, 2023 // Journal
  6. 6 Pea Starch and Pea Fiber: A Review of Functional Properties, Sensory Characteristics, and Value-Added Uses Comprehensive Reviews in Food Science and Food Safety, 2026 // Journal
  7. 7 FDA Investigation into Potential Link between Certain Diets and Canine Dilated Cardiomyopathy U.S. Food and Drug Administration, 2022 // Government
  8. 8 Reading Labels AAFCO, n.d. // Regulator
  9. 9 Letter to editor regarding different carbohydrate sources in dog foods supported overall health and cardiac function: an 18-month prospective study in healthy adult dogs Journal of Animal Science, 2026 // 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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