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Ingredient file

Copper Sulfate

An inorganic copper salt used as a trace mineral supplement.

Our read // In our catalog

In 1 of every 2 foods we track

Share of foods that list it

51%

1,625 of the 3,205 foods with an ingredient list on file, from 71 brands. 1,244 dry dog food, 334 wet dog food, 22 dog food topper.

Each square is 1% of the catalog

Where it sits on the label

Median position 24. In the top five of 4 foods, so it is usually a minor ingredient.

Top five List position, heaviest first

Above the salt

6%

Usually listed after the salt, which caps it at roughly 1% of the recipe in 94% of foods.

Price per lb

Foods with it $2.90
All foods $3.25

Median of the cheapest bag price across 1,011 priced foods, 11% below the catalog. The price is the food's, not the ingredient's.

Who leans on it

10%

of the foods that list it are from Purina. 71 brands use it in total.

What it is

Why it turns up in dog food

  • Supplies copper for iron metabolism, connective tissue and coat pigment. Absorbed better than copper oxide, though less well than a chelate.

Who uses it

Brands, best sellers and the company it keeps

Top brands, by foods that list it

  1. Purina 157 / 186
  2. Royal Canin 154 / 161
  3. Hill's 112 / 117
  4. Blue 106 / 186
  5. Wellness 73 / 118
  6. Fromm 59 / 67
  7. Nutro 57 / 71
  8. Cesar 42 / 45
  9. Nulo 42 / 117
  10. Pedigree 41 / 42

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

Plus 61 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 One SmartBlend Adult Dog Lamb & Rice Formula Dry Dog Food
  3. #4 Hill’s Science Diet Light Small & Mini Chicken Recipe Dry Dog Food
  4. #5 Blue Life Protection Formula Adult Small Breed Chicken and Brown Rice Recipe Dry Dog Food
  5. #6 Hill’s Science Diet Adult Sensitive Stomach & Skin Chicken Recipe Dry Dog Food
  6. #8 Diamond Naturals Skin & Coat Formula All Life Stages Salmon & Potato Formula Dry Dog Food
  7. #9 Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food
  8. #10 Iams Proactive Health MiniChunks Chicken & Whole Grains 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. Mixed Tocopherols 44%
  2. Chicken 42%
  3. Chicken Fat 42%
  4. Natural Flavor 40%
  5. Chicken Meal 32%
  6. Peas 31%
  7. Flaxseed 27%
  8. Brown Rice 25%
  9. Dried Plain Beet Pulp 22%
  10. Brewers Rice 19%
  11. Oatmeal 17%
  12. Potatoes 15%

On the shelf

Foods that list Copper Sulfate

1,625 foods in our catalog list it. These 60 list it highest on the label.

Evanger’s Grain Free Braised Beef Chunks with Gravy - packed by hand! Wet Dog FoodEvanger'sEvanger’s Grain Free Braised Beef Chunks with Gravy - packed by hand! Wet Dog FoodWet // No. 5 on the labelEvanger’s Roasted Chicken Drummet Dinner - packed by hand! Grain-Free Wet Dog FoodEvanger'sEvanger’s Roasted Chicken Drummet Dinner - packed by hand! Grain-Free Wet Dog FoodWet // No. 5 on the labelPedigree Chopped Ground Dinner Adult Pouch, Chicken Wet Dog FoodPedigreePedigree Chopped Ground Dinner Adult Pouch, Chicken Wet Dog FoodWet // No. 5 on the labelPedigree High Protein Chopped Ground Dinner Can, Chicken & Duck Wet Dog FoodPedigreePedigree High Protein Chopped Ground Dinner Can, Chicken & Duck Wet Dog FoodWet // No. 5 on the labelPedigree High Protein Chopped Ground Dinner Can, Beef & Bison Wet Dog FoodPedigreePedigree High Protein Chopped Ground Dinner Can, Beef & Bison Wet Dog FoodWet // No. 6 on the labelPurina Pro Plan Adult 7+ Senior Complete Essentials Chicken & Rice Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Adult 7+ Senior Complete Essentials Chicken & Rice Entrée Classic Wet Dog FoodWet // No. 6 on the labelWysong Fundamentals Dry Dog FoodWysongWysong Fundamentals Dry Dog FoodDry // No. 6 on the labelPurina Beneful Chicken & Carrots Loaf Wet Dog FoodPurinaPurina Beneful Chicken & Carrots Loaf Wet Dog FoodWet // No. 7 on the labelPurina Pro Plan Puppy Small Breed Chicken & Brown Rice Entrée Wet Dog FoodPurinaPurina Pro Plan Puppy Small Breed Chicken & Brown Rice Entrée Wet Dog FoodWet // No. 7 on the labelZignature Essence LIR Landfowl Recipe Food Can Grain-Free Wet Dog FoodZignatureZignature Essence LIR Landfowl Recipe Food Can Grain-Free Wet Dog FoodWet // No. 7 on the labelZignature Essence LIR Ranch Recipe Food Can Grain-Free Wet Dog FoodZignatureZignature Essence LIR Ranch Recipe Food Can Grain-Free Wet Dog FoodWet // No. 7 on the labelIams Proactive Health With Chicken AND Whole Grain Rice Classic Ground Wet Dog FoodIamsIams Proactive Health With Chicken AND Whole Grain Rice Classic Ground Wet Dog FoodWet // No. 7 on the label
Show 48 more
Evanger’s Super Premium Heritage Classic Chicken & Rice Dog Food TopperEvanger'sEvanger’s Super Premium Heritage Classic Chicken & Rice Dog Food TopperTopper // No. 6 on the labelEvanger’s Heritage Classic Lamb & Rice Dinner Wet Dog FoodEvanger'sEvanger’s Heritage Classic Lamb & Rice Dinner Wet Dog FoodWet // No. 7 on the labelEvanger’s Chunky Chicken Casserole - packed by hand! Wet Dog FoodEvanger'sEvanger’s Chunky Chicken Casserole - packed by hand! Wet Dog FoodWet // No. 7 on the labelEvanger’s EVX Restricted Diet: Weight Management Wet Dog FoodEvanger'sEvanger’s EVX Restricted Diet: Weight Management Wet Dog FoodWet // No. 7 on the labelEvanger’s Grain Free; Super Premium Chicken Dinner Wet Dog FoodEvanger'sEvanger’s Grain Free; Super Premium Chicken Dinner Wet Dog FoodWet // No. 7 on the labelPedigree Chopped Ground Dinner Adult Can, Beef, Bacon & Cheese Wet Dog FoodPedigreePedigree Chopped Ground Dinner Adult Can, Beef, Bacon & Cheese Wet Dog FoodWet // No. 7 on the labelPedigree Chopped Ground Dinner Adult Can, Chicken and Rice Dinner Wet Dog FoodPedigreePedigree Chopped Ground Dinner Adult Can, Chicken and Rice Dinner Wet Dog FoodWet // No. 7 on the labelPurina Pro Plan Complete Essentials Adult Chicken & Rice Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Complete Essentials Adult Chicken & Rice Entrée Classic Wet Dog FoodWet // No. 7 on the labelPurina Pro Plan Puppy Starter Chicken Entrée Ultra Soft Mousse Wet Dog FoodPurinaPurina Pro Plan Puppy Starter Chicken Entrée Ultra Soft Mousse Wet Dog FoodWet // No. 7 on the labelPurina Pro Plan Puppy Grain Free Chicken Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Puppy Grain Free Chicken Entrée Classic Wet Dog FoodWet // No. 7 on the labelPurina Pro Plan Adult Complete Essentials Grain Free Beef & Salmon Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Adult Complete Essentials Grain Free Beef & Salmon Entrée Classic Wet Dog FoodWet // No. 7 on the labelPurina Beneful Beef & Peas Loaf Wet Dog FoodPurinaPurina Beneful Beef & Peas Loaf Wet Dog FoodWet // No. 8 on the labelPurina Pro Plan Weight Management Chicken Rice Gravy Wet Dog FoodPurinaPurina Pro Plan Weight Management Chicken Rice Gravy Wet Dog FoodWet // No. 8 on the labelPurina Pro Plan Complete Essentials Adult Beef & Rice Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Complete Essentials Adult Beef & Rice Entrée Classic Wet Dog FoodWet // No. 8 on the labelEvanger’s Heritage Classic Senior & Weight Management Wet Dog FoodEvanger'sEvanger’s Heritage Classic Senior & Weight Management Wet Dog FoodWet // No. 8 on the labelEvanger’s Super Premium EVX Restricted Diet: Skin & Coat Wet Dog FoodEvanger'sEvanger’s Super Premium EVX Restricted Diet: Skin & Coat Wet Dog FoodWet // No. 8 on the labelEvanger’s Grain Free LID Venison + Beef Dinner Wet Dog FoodEvanger'sEvanger’s Grain Free LID Venison + Beef Dinner Wet Dog FoodWet // No. 8 on the labelZignature Original Food Turkey Formula Grain-Free Wet Dog FoodZignatureZignature Original Food Turkey Formula Grain-Free Wet Dog FoodWet // No. 8 on the labelIams Proactive Health With Lamb AND Rice Classic Ground Dog Food TopperIamsIams Proactive Health With Lamb AND Rice Classic Ground Dog Food TopperTopper // No. 8 on the labelFromm Four-Star Diner Specials Slow-Cooked Pulled Pork Entrée in Gravy Wet Dog FoodFrommFromm Four-Star Diner Specials Slow-Cooked Pulled Pork Entrée in Gravy Wet Dog FoodWet // No. 8 on the labelPedigree Chopped Ground Dinner Adult Can, Filet Mignon Wet Dog FoodPedigreePedigree Chopped Ground Dinner Adult Can, Filet Mignon Wet Dog FoodWet // No. 8 on the labelPedigree High Protein Adult Can, Chicken & Turkey Wet Dog FoodPedigreePedigree High Protein Adult Can, Chicken & Turkey Wet Dog FoodWet // No. 8 on the labelPedigree Chopped Ground Dinner Adult Can, T-bone Steak Wet Dog FoodPedigreePedigree Chopped Ground Dinner Adult Can, T-bone Steak Wet Dog FoodWet // No. 8 on the labelPedigree Chopped Ground Dinner Adult Can, Chicken, Liver & Beef Wet Dog FoodPedigreePedigree Chopped Ground Dinner Adult Can, Chicken, Liver & Beef Wet Dog FoodWet // No. 8 on the labelPedigree Chopped Ground Dinner Adult Can, Turkey & Bacon Wet Dog FoodPedigreePedigree Chopped Ground Dinner Adult Can, Turkey & Bacon Wet Dog FoodWet // No. 8 on the labelPurina Pro Plan Complete Essentials Grain Free Adult Turkey & Sweet Potato Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Complete Essentials Grain Free Adult Turkey & Sweet Potato Entrée Classic Wet Dog FoodWet // No. 8 on the labelPurina ONE True Instinct Tender Cuts Beef & Salmon Wet Dog FoodPurinaPurina ONE True Instinct Tender Cuts Beef & Salmon Wet Dog FoodWet // No. 8 on the labelWysong Original Diets Healthy Aging Dry Dog FoodWysongWysong Original Diets Healthy Aging Dry Dog FoodDry // No. 8 on the labelPurina Pro Plan Weight Management Beef Rice Gravy Wet Dog FoodPurinaPurina Pro Plan Weight Management Beef Rice Gravy Wet Dog FoodWet // No. 9 on the labelPurina Pro Plan Weight Management Turkey Rice Gravy Wet Dog FoodPurinaPurina Pro Plan Weight Management Turkey Rice Gravy Wet Dog FoodWet // No. 9 on the labelPurina Pro Plan Adult Large Breed Chicken & Rice Entrée In Gravy Wet Dog FoodPurinaPurina Pro Plan Adult Large Breed Chicken & Rice Entrée In Gravy Wet Dog FoodWet // No. 9 on the labelPurina Beneful Chicken & Peas in Gravy Wet Dog FoodPurinaPurina Beneful Chicken & Peas in Gravy Wet Dog FoodWet // No. 9 on the labelPurina Dog Chow High Protein with Real Chicken in Gravy Wet Dog FoodPurinaPurina Dog Chow High Protein with Real Chicken in Gravy Wet Dog FoodWet // No. 9 on the labelPurina Dog Chow High Protein with Real Lamb in Gravy Wet Dog FoodPurinaPurina Dog Chow High Protein with Real Lamb in Gravy Wet Dog FoodWet // No. 9 on the labelPurina Beneful IncrediBites Small Breed Loaf with Real Salmon Wet Dog FoodPurinaPurina Beneful IncrediBites Small Breed Loaf with Real Salmon Wet Dog FoodWet // No. 9 on the labelPurina Beneful IncrediBites Small Breed Loaf with Real Beef Wet Dog FoodPurinaPurina Beneful IncrediBites Small Breed Loaf with Real Beef Wet Dog FoodWet // No. 9 on the labelPurina Pro Plan Adult Complete Essentials Grain Free Beef & Chicken Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Adult Complete Essentials Grain Free Beef & Chicken Entrée Classic Wet Dog FoodWet // No. 9 on the labelEvanger’s EVX Restricted Diet: Digestion Bland Diet Wet Dog FoodEvanger'sEvanger’s EVX Restricted Diet: Digestion Bland Diet Wet Dog FoodWet // No. 9 on the labelZignature Original Food Kangaroo Formula Grain-Free Wet Dog FoodZignatureZignature Original Food Kangaroo Formula Grain-Free Wet Dog FoodWet // No. 9 on the labelZignature Original Food Lamb Formula Grain-Free Wet Dog FoodZignatureZignature Original Food Lamb Formula Grain-Free Wet Dog FoodWet // No. 9 on the labelZignature Original Food Puppy Formula Grain-Free Wet Dog FoodZignatureZignature Original Food Puppy Formula Grain-Free Wet Dog FoodWet // No. 9 on the labelFromm Four-Star Diner Classics Charlie’s Chicken Pot Pie Pâté Wet Dog FoodFrommFromm Four-Star Diner Classics Charlie’s Chicken Pot Pie Pâté Wet Dog FoodWet // No. 9 on the labelPedigree Choice Cuts IN Gravy Adult Can, Beef Wet Dog FoodPedigreePedigree Choice Cuts IN Gravy Adult Can, Beef Wet Dog FoodWet // No. 9 on the labelPedigree Puppy Chopped Ground Dinner, Chicken & Beef Wet Dog FoodPedigreePedigree Puppy Chopped Ground Dinner, Chicken & Beef Wet Dog FoodWet // No. 9 on the labelPurina Pro Plan Sensitive Skin & Stomach Salmon & Rice Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Sensitive Skin & Stomach Salmon & Rice Entrée Classic Wet Dog FoodWet // No. 9 on the labelPurina Pro Plan Sport Adult High Protein Turkey, Duck & Quail Entrée Classic Wet Dog FoodPurinaPurina Pro Plan Sport Adult High Protein Turkey, Duck & Quail Entrée Classic Wet Dog FoodWet // No. 9 on the labelPurina ONE True Instinct Tender Cuts in Gravy Beef & Bison Wet Dog FoodPurinaPurina ONE True Instinct Tender Cuts in Gravy Beef & Bison Wet Dog FoodWet // No. 9 on the labelPurina ONE True Instinct Tender Cuts in Gravy Chicken & Duck Wet Dog FoodPurinaPurina ONE True Instinct Tender Cuts in Gravy Chicken & Duck Wet Dog FoodWet // No. 9 on the label

On labels as

Other names for this

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

Copper Sulphate
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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