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Ingredient file // Ingredient

Calcium Carbonate

Our read // In our catalog

In 1 of every 2 foods we track

Share of foods that list it

42%

951 of the 2,250 foods we track, from 57 brands. 759 dry dog food, 167 wet dog food, 14 frozen dog food.

Each square is 1% of the catalog

Where it sits on the label

Median position 16. In the top five of 1 food, so it is usually a minor ingredient.

Top five List position, heaviest first

Above the salt

47%

Usually listed after the salt, which caps it at roughly 1% of the recipe in 53% of foods.

Price per lb

Foods with it $3.12
All foods $3.24

Median of the cheapest bag price across 659 priced foods, 4% below the catalog. The price is the food's, not the ingredient's.

Who leans on it

14%

of the foods that list it are from Royal Canin. 57 brands use it in total.

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. Royal Canin 132
  2. Blue 106
  3. Purina 100
  4. Hill's 68
  5. Stella & Chewy's 45
  6. NutriSource 44
  7. Nulo 42
  8. Merrick 33
  9. Cesar 32
  10. Eukanuba 23

Plus 47 more brands.

Amazon best sellers that list it

  1. #1 Blue Life Protection Formula Adult Chicken and Brown Rice Recipe Dry Dog Food
  2. #2 Purina Pro Plan Adult Complete Essentials Shredded Blend Chicken & Rice Formula Dry Dog Food
  3. #3 Purina One SmartBlend Adult Dog Lamb & Rice Formula Dry Dog Food
  4. #5 Purina One SmartBlend Chicken & Rice Formula Natural Adult Dry Dog Food
  5. #7 Blue Life Protection Formula Adult Small Breed Chicken and Brown Rice Recipe Dry Dog Food
  6. #8 Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food
  7. #12 Pedigree Adult Grilled Steak & Vegetable Flavor Dry Dog Food
  8. #15 Hill’s Science Diet Adult 1-6 Small Bites Chicken & Barley Recipe 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. Chicken Fat 42%
  2. Natural Flavor 40%
  3. Chicken 36%
  4. Chicken Meal 28%
  5. Peas 26%
  6. Brown Rice 24%
  7. Flaxseed 23%
  8. Brewers Rice 20%
  9. Chicken By-Product Meal 19%
  10. Dried Plain Beet Pulp 19%
  11. Barley 18%
  12. Dried Egg Product 15%

On the shelf

Foods that list it

951 foods in our reviews list it. Here are some of them.

Zignature Inception Pork Recipe Food Can Wet Dog Food29.5% protein
Show 59 more Hill’s Hill’s Science Diet Single Protein Adult Single Protein Beef & Carrot Recipe Fresh Roll Wet Dog Food26.5% proteinCanidae All Life Stages , Lamb & Rice Recipe Wet Dog Food36.4% proteinEukanuba Adult Mixed Grill Chicken & Beef Dinner in Gravy , case of 12 Wet Dog Food40.3% proteinVerus Grain-Free, Fresh Formula Product Line VēRUS Canine Chicken & Rice Paté Formula Wet Dog Food36.4% proteinVerus Grain-Free, Fresh Formula Product Line VēRUS Canine Turkey & Veggie Paté Formula Wet Dog Food36.4% proteinSimply Nourish Original Senior Wet Dog Food58.8% proteinEukanuba Adult Chicken, Rice & Vegetables Dinner , case of 12 Wet Dog Food36.4% proteinVictor Select Grain Free Shredded Chicken Dinner in Gravy Wet Dog Food44.4% proteinVerus Grain-Free, Fresh Formula Product Line VēRUS Canine Beef & Barley Paté Formula Wet Dog Food36.4% proteinEarthborn Holistic Grain Free Classics K95 Chicken Wet Dog Food40.9% proteinEarthborn Holistic Grain Free Classics K95 Duck Wet Dog Food36.4% proteinEarthborn Holistic Grain Free Classics K95 Lamb Wet Dog Food40.9% proteinEarthborn Holistic Grain Free Classics K95 Turkey Wet Dog Food40.9% proteinEarthborn Holistic Grain Free Classics K95 Beef Wet Dog Food43.2% proteinSimply Nourish Original – Shreds, Chicken, Beef & Pasta Stew Wet Dog Food47.1% proteinTaste of the Wild Pacific Stream Canine Recipe with Salmon in Gravy Wet Dog Food41.7% proteinHill’s Hill’s Science Diet Puppy Chicken & Rice Stew Wet Dog Food25.0% proteinSimply Nourish Original Adult Wet Dog Food58.8% proteinSimply Nourish Original Puppy Wet Dog Food58.8% proteinPedigree Puppy Chopped Ground Dinner Can, Lamb & Rice Wet Dog Food40.9% proteinSimply Nourish Grain Free – Shreds & Flaked, Chicken & Tuna Stew Wet Dog Food58.8% proteinI and Love and You Naked Essentials Gobble It Up Stew | Wet Dog Food41.7% proteinI and Love and You Naked Essentials Lambarama Stew Wet Dog Food44.4% proteinTaste of the Wild Sierra Mountain Canine Recipe with Lamb in Gravy Wet Dog Food44.4% proteinTaste of the Wild Southwest Canyon Canine Recipe with Beef in Gravy Wet Dog Food50.0% proteinPedigree Puppy Chopped Ground Dinner , Chicken & Beef Wet Dog Food40.9% proteinAbound Beef, Carrot & Tomato in Gravy Wet Dog Food44.4% proteinAbound Chicken, Peas & Sweet Potato in Gravy Wet Dog Food44.4% proteinAbound Pro Vet Formulated Puppy Chicken & Vegetable Stew Wet Dog Food38.9% proteinRayne Nutrition Growth/Sensitive-GI Chunky Stew Wet Dog Food27.3% proteinRayne Nutrition Low Fat Kangaroo-Maint Paté Wet Dog Food34.1% proteinHalo Holistic Vegan Plant-Based Recipe Adult can (case of 12) Wet Dog Food26.1% proteinSolid Gold Green Cow Wet Dog Food53.8% proteinWysong Original Diets Senior with Organic Turkey Healthy Dog Food Topper36.0% proteinNow Fresh Good Gravy Beef Recipe For Seniors Dog Food Topper26.7% proteinOrijen Original Stew Recipe with Chicken, Turkey & Eggs Wet Dog Food61.1% proteinNature’s Recipe Original Stew Chicken, Rice & Barley Wet Dog Food35.0% proteinNature’s Recipe Original Stew Lamb, Rice & Barley Recipe Wet Dog Food36.4% proteinOrijen FreshPrey Turkey, Salmon & Pork Recipe Wet Dog Food54.5% proteinWholeHearted Freeze-Dried Immunity Support Dog Food Topper36.8% proteinAuthority Healthy Weight Chicken Entree Adult Dog Wet Dog Food25.0% proteinIams Proactive Health Senior With Slow Cooked Chicken AND Rice Classic Ground Wet Dog Food43.8% proteinIams Proactive Health Puppy With Chicken AND Rice Classic Ground Wet Dog Food40.9% proteinAuthority Sensitive Stomach & Skin Whitefish & Salmon Entree Adult Wet Dog Food18.2% proteinAuthority Sensitive Stomach & Skin Cuts in Gravy Adult Wet Dog Food47.2% proteinAuthority Homestyle Adult Wet Dog Food40.9% proteinOrijen FreshPrey Beef, Pork & Lamb Recipe Wet Dog Food56.0% proteinOrijen Regional Red Pâté with Liver Wet Dog Food45.5% proteinZignature Original Food Pork Formula Wet Dog Food43.2% proteinZignature Original Food Goat Formula Wet Dog Food36.4% proteinZignature Original Food Trout & Salmon Formula Wet Dog Food38.6% proteinZignature Original Food Whitefish Formula Wet Dog Food40.9% proteinZignature Original Food Venison Formula Wet Dog Food38.6% proteinZignature Essence LIR Ocean Recipe Food Can Wet Dog Food47.7% proteinHill’s Science Diet Adult Perfect Weight & Joint Support Large Breed Chicken & Brown Rice Recipe Dry Dog Food25.6% proteinHill’s Hill’s Science Diet Adult Beef & Barley Entrée Wet Dog Food19.1% proteinHill’s Science Diet Puppy Sensitive Stomach & Skin Salmon & Brown Rice Recipe Dry Dog Food27.8% proteinHill’s Prescription Diet k/d + Derm Complete Rice & Egg Recipe Dry Dog Food12.2% proteinHill’s Science Diet Adult Sensitive Stomach & Skin Salmon & Brown Rice Recipe Dry Dog Food22.9% protein
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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