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Ingredient file // Starch

Pea Starch

Useful kibble starch without a special health edge

Pea starch is the starch separated from field peas, often while processors make pea protein. In kibble it supplies energy and helps the pieces hold their shape. It does not bring the protein and fiber of whole peas.

Pea Starch
What it is
A starch-rich powder separated from field peas after much of their protein and fiber is removed.
Made from
Dried field pea seeds
Main job
Energy and kibble structure
Typical amount
2.2 to 24.2% in one dog trial
Watch for
Several pea ingredients high on the list
Not the same as
Whole peas or pea protein

Straight answer

Is Pea Starch safe for dogs?

Read the whole pea pattern on the bag

Pea starch is a useful starch, not a protein source or a health claim. Check where it sits, then look for peas, pea protein and pea fiber nearby. If several appear high on the list, ask the maker for the recipe's total pea content; the label ranks each ingredient separately.

Why it is in the food
Energy and kibble structure

Our read // In our catalog

In 1 of every 20 foods we track

Share of foods that list it

5%

164 of the 3,205 foods with an ingredient list on file, from 19 brands. 163 dry dog food, 1 wet dog food.

Each square is 1% of the catalog

Where it sits on the label

Median position 6. In the top five of 67 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 $2.90
All foods $3.25

Median of the cheapest bag price across 130 priced foods, 11% below the catalog. The price is the food's, not the ingredient's.

Who leans on it

42%

of the foods that list it are from Blue. 19 brands use it in total.

What it is

How it is made

Pea processors separate dried seeds to make protein ingredients. That separation also yields starch, sold for food and feed. How thoroughly the fractions are separated determines how much protein remains in the starch.3,4

  1. 01 // Source Dry field peas Mature seeds contain starch, protein and fiber that processors separate into different ingredients.
  2. 02 // Process Remove hulls The outer hulls are taken off before the seed kernels are milled.
  3. 03 // Process Separate fractions Air sorting yields a starch-rich fraction; wet processing separates starch more thoroughly from protein and fiber.
  4. 04 // Output Pea starch powder The separated starch is dried for use in foods, including extruded kibble.

What is in it

Composition, dry matter

95-99.5

% starch

Reported starch content of refined products. Pea starch supplies energy but little of the protein found in whole peas.

Starch 95-99.5%4
Protein 0.1-1%4
Ash 0.1-0.5%4

These figures describe different refined and modified samples, not a guaranteed specification. An air-sorted starch fraction used in a dog study was less pure, at about 70% starch and 7 to 10% protein.3,4

Why it is in the bag

What the manufacturer gets

  1. 01

    Supplies usable energy

    Cooking makes dietary starch available to dogs. In a small feeding trial, dogs digested 81% of the starch in a diet made with unfermented pea starch.1

  2. 02

    Forms the kibble

    Starch swells and thickens as the mix cooks in an extruder, helping the finished piece keep its shape. Pea starch fills that role in recipes without grain.4

  3. 03

    Uses a protein byproduct

    Pea protein production leaves a substantial starch stream. Selling it gives processors another use for the crop and food makers a separate starch ingredient.4

How much One dog study fed 2.2 to 24.2% pea starch across its diets; another tested diets with about 30%.1,3

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 starch gives dogs usable energy

    Evidence

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

    In an 8-dog trial, 81% of dietary starch was digested on the unfermented pea starch diet. That supports its energy role in cooked food, though the result measures the complete diet.1

  2. Brands say

    Pea starch keeps blood sugar lower

    Outruns the evidence

    Evidence

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

    In a 15-dog comparison, glucose response areas were 36,371 on the pea starch diet and 36,406 on the cereal diet. The diets differed in other ways too, so pea starch alone cannot promise a smaller rise.2

  3. Brands say

    Pea starch improves gut health as a prebiotic

    Outruns the evidence

    Evidence

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

    An 8-dog, 20-day trial found changes in fecal bacteria on pea starch diets, but no significant change in measured fecal short-chain fatty acids. A changed microbiome is not proof of better gut health.1

  4. Owners say

    Pea starch causes heart disease in dogs

    Outruns the evidence

    Evidence

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

    The FDA found peas or lentils in 93% of foods named in early DCM reports, but could not identify why some diets might be associated with the disease. Those reports did not isolate pea starch.5

  5. Critics say

    Pea starch is just filler

    Outruns the evidence

    Evidence

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

    Refined products contained 95 to 99.5% starch, and dogs digested starch in a pea starch diet. It supplies energy and helps form kibble. It contributes little of whole peas' protein.1,4

Straight answers

What owners ask

  1. Q01

    Is it just filler?

    No

    It has a job: digestible starch supplies energy and helps kibble hold its shape. It contributes little protein, so judge it as a starch source rather than as a whole vegetable.1,4

  2. Q02

    Is it the same as peas?

    No

    Whole peas contain protein and fiber alongside starch. Separation removes much of both from refined pea starch. Pea protein is another fraction with a different job in the recipe.4

  3. Q03

    Should I avoid it over DCM?

    Not alone

    The FDA has investigated diets with pulses high on the ingredient list, but the cause remains unknown. One pea starch line cannot tell you the recipe's total pea content or your dog's heart risk.5,6

Who uses it

Brands, best sellers and the company it keeps

Usually listed with, share of the foods that list it

  1. Peas 75%
  2. Chicken Meal 51%
  3. Mixed Tocopherols 46%
  4. Chicken 44%
  5. Chicken Fat 44%
  6. Flaxseed 41%
  7. Pea Protein 37%
  8. Natural Flavor 35%
  9. Tapioca Starch 29%
  10. Potatoes 23%
  11. Pea Fiber 22%
  12. Dried Tomato Pomace 20%

On the shelf

Foods that list Pea Starch

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

Show 48 more
Blue Natural Veterinary Diet KS Kidney Support Grain-Free Dry Dog FoodBlueBlue Natural Veterinary Diet KS Kidney Support Grain-Free Dry Dog FoodDry // No. 3 on the labelBlue Natural Veterinary Diet NP Novel Protein Alligator Grain-Free Dry Dog FoodBlueBlue Natural Veterinary Diet NP Novel Protein Alligator Grain-Free Dry Dog FoodDry // No. 3 on the labelBlue Basics Limited Ingredient Diet Adult Grain-Free Duck and Potato Recipe Dry Dog FoodBlueBlue Basics Limited Ingredient Diet Adult Grain-Free Duck and Potato Recipe Dry Dog FoodDry // No. 3 on the labelNutriSource Choice Performance Chicken Dry Dog FoodNutriSourceNutriSource Choice Performance Chicken Dry Dog FoodDry // No. 4 on the labelNutriSource Chicken Puppy Dry Dog FoodNutriSourceNutriSource Chicken Puppy Dry Dog FoodDry // No. 4 on the labelPurina Beyond Organic Small Dog Chicken, Egg & Carrot Recipe Natural Dry Dog FoodPurinaPurina Beyond Organic Small Dog Chicken, Egg & Carrot Recipe Natural Dry Dog FoodDry // No. 4 on the labelPurina Beyond Organic Chicken, Egg & Sweet Potato Recipe Natural Grain-Free Dry Dog FoodPurinaPurina Beyond Organic Chicken, Egg & Sweet Potato Recipe Natural Grain-Free Dry Dog FoodDry // No. 4 on the labelNutriSource Choice Chicken Meal & Barley Recipe Dry Dog FoodNutriSourceNutriSource Choice Chicken Meal & Barley Recipe Dry Dog FoodDry // No. 4 on the labelNutriSource Choice Whitefish Meal & Rice Recipe Dry Dog FoodNutriSourceNutriSource Choice Whitefish Meal & Rice Recipe Dry Dog FoodDry // No. 4 on the labelHorizon Legacy Grain-Free All Life Stages Salmon Formula Dry Dog FoodHorizonHorizon Legacy Grain-Free All Life Stages Salmon Formula Dry Dog FoodDry // No. 4 on the labelHorizon Pulsar Grain-Free Pork Formula Dry Dog FoodHorizonHorizon Pulsar Grain-Free Pork Formula Dry Dog FoodDry // No. 4 on the labelHorizon Pulsar Grain-Free Turkey Formula Dry Dog FoodHorizonHorizon Pulsar Grain-Free Turkey Formula Dry Dog FoodDry // No. 4 on the labelHorizon Pulsar Grain-Free Lamb Formula Dry Dog FoodHorizonHorizon Pulsar Grain-Free Lamb Formula Dry Dog FoodDry // No. 4 on the labelHorizon Pulsar Grain-Free Salmon Formula Dry Dog FoodHorizonHorizon Pulsar Grain-Free Salmon Formula Dry Dog FoodDry // No. 4 on the labelHorizon Pulsar Grain-Free Chicken Formula Dry Dog FoodHorizonHorizon Pulsar Grain-Free Chicken Formula Dry Dog FoodDry // No. 4 on the labelBlue Freedom Senior Grain-Free Chicken Recipe Dry Dog FoodBlueBlue Freedom Senior Grain-Free Chicken Recipe Dry Dog FoodDry // No. 4 on the labelBlue Freedom Small Breed Puppy Grain-Free Chicken Recipe Dry Dog FoodBlueBlue Freedom Small Breed Puppy Grain-Free Chicken Recipe Dry Dog FoodDry // No. 4 on the labelBlue Basics Limited Ingredient Diet Adult Grain-Free Salmon and Potato Recipe Dry Dog FoodBlueBlue Basics Limited Ingredient Diet Adult Grain-Free Salmon and Potato Recipe Dry Dog FoodDry // No. 4 on the labelBlue Basics Limited Ingredient Diet Adult Dog Grain-Free Turkey & Potato Recipe Dry Dog FoodBlueBlue Basics Limited Ingredient Diet Adult Dog Grain-Free Turkey & Potato Recipe Dry Dog FoodDry // No. 4 on the labelBlue Basics Limited Ingredient Diet Adult Dog Grain-Free Salmon and Potato Recipe Dry Dog FoodBlueBlue Basics Limited Ingredient Diet Adult Dog Grain-Free Salmon and Potato Recipe Dry Dog FoodDry // No. 4 on the labelNature’s Recipe Small Breed Grain-Free Easy to Digest Chicken, Sweet Potato, & Pumpkin Recipe Dry Dog FoodNature's RecipeNature’s Recipe Small Breed Grain-Free Easy to Digest Chicken, Sweet Potato, & Pumpkin Recipe Dry Dog FoodDry // No. 5 on the labelSimply Nourish Limited Ingredient Diet Grain Free Adult Dry Dog FoodSimply NourishSimply Nourish Limited Ingredient Diet Grain Free Adult Dry Dog FoodDry // No. 5 on the labelRachael Ray Nutrish Grain Free Chicken & Sweet Potato Recipe Dry Dog FoodRachael Ray NutrishRachael Ray Nutrish Grain Free Chicken & Sweet Potato Recipe Dry Dog FoodDry // No. 5 on the labelPure Balance Pro+ Small Breed Chicken and Pea Recipe Dry Dog FoodPure BalancePure Balance Pro+ Small Breed Chicken and Pea Recipe Dry Dog FoodDry // No. 5 on the labelPure Balance Grain-Free Chicken and Pea Recipe Dry Dog FoodPure BalancePure Balance Grain-Free Chicken and Pea Recipe Dry Dog FoodDry // No. 5 on the labelBlue Life Protection Formula Small Breed Grain-Free Chicken Recipe Dry Dog FoodBlueBlue Life Protection Formula Small Breed Grain-Free Chicken Recipe Dry Dog FoodDry // No. 5 on the labelBlue Life Protection Formula Adult Dog Grain-Free Lamb Recipe Dry Dog FoodBlueBlue Life Protection Formula Adult Dog Grain-Free Lamb Recipe Dry Dog FoodDry // No. 5 on the labelNutriSource Choice Large Breed Chicken Dry Dog FoodNutriSourceNutriSource Choice Large Breed Chicken Dry Dog FoodDry // No. 5 on the labelNutriSource Choice Large Breed Beef Dry Dog FoodNutriSourceNutriSource Choice Large Breed Beef Dry Dog FoodDry // No. 5 on the labelPurina Beyond Simply Farm-Raised Beef, Barley & Cage-Free Egg Recipe Dry Dog FoodPurinaPurina Beyond Simply Farm-Raised Beef, Barley & Cage-Free Egg Recipe Dry Dog FoodDry // No. 5 on the labelNutriSource Grain-Free Large Breed Chicken & Pea Recipe Dry Dog FoodNutriSourceNutriSource Grain-Free Large Breed Chicken & Pea Recipe Dry Dog FoodDry // No. 5 on the labelNutriSource Choice Turkey Meal & Barley Recipe Dry Dog FoodNutriSourceNutriSource Choice Turkey Meal & Barley Recipe Dry Dog FoodDry // No. 5 on the labelNature’s Recipe Large Breed Grain-Free Easy to Digest Chicken, Sweet Potato, & Pumpkin Recipe Dry Dog FoodNature's RecipeNature’s Recipe Large Breed Grain-Free Easy to Digest Chicken, Sweet Potato, & Pumpkin Recipe Dry Dog FoodDry // No. 5 on the labelNature’s Recipe Grain-Free Easy to Digest Chicken, Sweet Potato, & Pumpkin Recipe Dry Dog FoodNature's RecipeNature’s Recipe Grain-Free Easy to Digest Chicken, Sweet Potato, & Pumpkin Recipe Dry Dog FoodDry // No. 5 on the labelNatural Balance L.I.D. Limited Ingredient Diets Grain-Free Turkey Dry Dog FoodNatural BalanceNatural Balance L.I.D. Limited Ingredient Diets Grain-Free Turkey Dry Dog FoodDry // No. 5 on the labelI and Love and You Baked & Saucy Beef + Sweet Potato Grain-Free Dry Dog FoodI and Love and YouI and Love and You Baked & Saucy Beef + Sweet Potato Grain-Free Dry Dog FoodDry // No. 5 on the labelHorizon Amicus Grain-Free All Life Stages Lamb Formula Dry Dog FoodHorizonHorizon Amicus Grain-Free All Life Stages Lamb Formula Dry Dog FoodDry // No. 5 on the labelHorizon Amicus Grain-Free All Life Stages Salmon Formula Dry Dog FoodHorizonHorizon Amicus Grain-Free All Life Stages Salmon Formula Dry Dog FoodDry // No. 5 on the labelHorizon Amicus Grain-Free All Life Stages Chicken Formula Dry Dog FoodHorizonHorizon Amicus Grain-Free All Life Stages Chicken Formula Dry Dog FoodDry // No. 5 on the labelHorizon Amicus Grain-Free Adult Tri-Protein Formula Dry Dog FoodHorizonHorizon Amicus Grain-Free Adult Tri-Protein Formula Dry Dog FoodDry // No. 5 on the labelHorizon Legacy Grain-Free Puppy Tri-Protein Formula Dry Dog FoodHorizonHorizon Legacy Grain-Free Puppy Tri-Protein Formula Dry Dog FoodDry // No. 5 on the labelHorizon Taiga Grain-Free Pork Formula Dry Dog FoodHorizonHorizon Taiga Grain-Free Pork Formula Dry Dog FoodDry // No. 5 on the labelHorizon Taiga Grain-Free Chicken Formula Dry Dog FoodHorizonHorizon Taiga Grain-Free Chicken Formula Dry Dog FoodDry // No. 5 on the labelBlue Freedom Large Breed Adult Grain-Free Lamb Recipe Dry Dog FoodBlueBlue Freedom Large Breed Adult Grain-Free Lamb Recipe Dry Dog FoodDry // No. 5 on the labelBlue Freedom Large Breed Adult Grain-Free Chicken and Potatoes Recipe Dry Dog FoodBlueBlue Freedom Large Breed Adult Grain-Free Chicken and Potatoes Recipe Dry Dog FoodDry // No. 5 on the labelBlue Freedom Small Breed Adult Grain-Free Chicken and Potatoes Recipe Dry Dog FoodBlueBlue Freedom Small Breed Adult Grain-Free Chicken and Potatoes Recipe Dry Dog FoodDry // No. 5 on the labelBlue Freedom Adult Grain-Free Healthy Weight Chicken and Potatoes Recipe Dry Dog FoodBlueBlue Freedom Adult Grain-Free Healthy Weight Chicken and Potatoes Recipe Dry Dog FoodDry // No. 5 on the labelBlue Freedom Adult Grain-Free Lamb and Potatoes Recipe Dry Dog FoodBlueBlue Freedom Adult Grain-Free Lamb and Potatoes Recipe Dry Dog FoodDry // No. 5 on the label

Leaving it out

Foods without peas

For owners who skip peas: popular dry foods priced like the ones that list it ($2.03 to $4.06 per lb), with no peas on the label.

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

Manufacturers do not all use the same wording. These all mean the same thing.

Organic Pea Starch

Sources

What we read

Checked September 1, 2026.

  1. 1 Effects of feeding Candida utilis-fermented pea starch on overall, metabolic and intestinal health of dogs and cats Frontiers in Veterinary Science, 2025 // Journal
  2. 2 Effect of diet on postprandial glycemic and insulin responses in healthy dogs Frontiers in Veterinary Science, 2023 // Journal
  3. 3 Whole pulse ingredient inclusion in macronutrient-balanced diets increased fecal concentrations of propionic acid but not total bile acids in healthy adult large-breed dogs after 20 weeks Journal of Animal Science, 2025 // Journal
  4. 4 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
  5. 5 FDA Provides Third Status Report on Investigation into Potential Connection Between Certain Diets and Cases of Canine Heart Disease U.S. Food and Drug Administration, 2019 // Government
  6. 6 What's in the Ingredients List? AAFCO, 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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