Ingredient

Copper Sulfate

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Source
Not animal-derived
Allergen
No
Role in food
In food, copper sulfate is primarily used as a nutrient to fortify products. It …

What it is

Copper sulfate is an inorganic salt that appears as blue crystals. It is produced by reacting copper metal or copper oxides with sulfuric acid. It is used in various industrial applications, including as a fungicide and in electroplating.

Why it's used

In food, copper sulfate is primarily used as a nutrient to fortify products. It is added to certain beverages, infant formulas, and nutritional supplements to increase their copper content. It can also act as a preservative in some applications.

Health notes

In the U.S., copper sulfate is permitted as a nutrient supplement in animal feed and as a food additive in specific applications, such as for coloring olives. The FDA has not established a Generally Recognized As Safe (GRAS) status for direct addition to human food as a nutrient. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated copper sulfate, but did not specify a numeric acceptable daily intake. High intake of copper can lead to adverse health effects, including gastrointestinal distress.

Allergen info

Copper sulfate is not derived from any of the nine FDA major allergens. It does not contain gluten.

Products containing Copper Sulfate

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PARENT'S CHOICE Parent's Choice, Nutritional Shake, Chocolate Energy, Protein & Muscle Recovery Drinks 100kcal 2.9Protein 3.8Fat 12.9Carbs Pure Bliss Toddler Non-Gmo 31.8 Ounce Powder 4 Count Abbott Nutrition Pure Bliss Toddler Non-Gmo 31.8 Ounce Powder 4 Count Baby/Infant Foods/Beverages —kcal 11.9Protein 19.1Fat 40.5Carbs Abbott Nutrition Similac Go And Grow Vanilla 17.4 Gram Powder 4-16 Packs Baby/Infant Foods/Beverages —kcal 11.4Protein 22.9Fat 45.7Carbs Abbott Nutrition Pediasure Sidekicks Chocolate 24Ct/8 Fl Oz Bottles (Club Pack) 62kcal 2.9Protein 2.1Fat 8.8Carbs Hy-Vee, Inc. Creamy Reduced Fat Peanut Spread, Creamy Nut & Seed Butters 531kcal 21.9Protein 34.4Fat 37.5Carbs Homemade Vanilla Shake, Homemade Vanilla GLUCERNA Homemade Vanilla Shake, Homemade Vanilla Weight Control 76kcal 4.2Protein 3.8Fat 6.8Carbs Topco Associates, Inc. Food Club, Reduced Fat Peanut Spread Nut & Seed Butters 500kcal 22.2Protein 33.3Fat 38.9Carbs Strawberry Shake With Fiber, Strawberry Abbott Laboratories Inc Strawberry Shake With Fiber, Strawberry Energy, Protein & Muscle Recovery Drinks High in added sugars — 36% DV per serving —kcal 3.0Protein 3.8Fat 13.9Carbs Grow & Gain Vanilla Shake, Vanilla Abbott Laboratories Inc Grow & Gain Vanilla Shake, Vanilla Energy, Protein & Muscle Recovery Drinks 101kcal 3.0Protein 3.8Fat 13.9Carbs The J.M. Smucker Company Jif, Crunchy Peanut Butter Spread Nut & Seed Butters 528kcal 19.4Protein 33.3Fat 41.7Carbs Chocolate Shake, Chocolate Abbott Laboratories Inc Chocolate Shake, Chocolate Children's Nutritional Supplements High in added sugars — 26% DV per serving 101kcal 3.0Protein 3.8Fat 13.9Carbs Abbott Laboratories Inc Rich Chocolate Snack Shake, Rich Chocolate Energy, Protein & Muscle Recovery Drinks 59kcal 3.0Protein 2.1Fat 8.0Carbs
Folic Acid (317 products) Niacinamide (310 products) Pyridoxine Hydrochloride (304 products) Riboflavin (297 products) Manganese Sulfate (284 products) Salt (280 products) Sodium Molybdate (272 products) Potassium Iodide (270 products) Biotin (267 products) Vitamin A Palmitate (265 products)

Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.