Ingredient

Zinc Sulfate

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Source
Not animal-derived
Allergen
No
Role in food
Zinc sulfate is added to foods as a nutrient to fortify products with zinc, …

What it is

Zinc sulfate is a mineral salt that occurs naturally as the mineral zincosite. It is typically produced industrially by treating zinc metal, zinc oxide, or zinc carbonate with sulfuric acid. It appears as a white crystalline powder or colorless crystals.

Why it's used

Zinc sulfate is added to foods as a nutrient to fortify products with zinc, an essential mineral. It is commonly found in dietary supplements, infant formulas, and fortified cereals. It can also be used as a food additive for other purposes, such as a firming agent.

Health notes

In the U.S., zinc sulfate is generally recognized as safe (GRAS) by the FDA when used as a nutrient. Zinc is an essential mineral for human health, involved in immune function, wound healing, and cell growth. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated zinc sulfate and established an acceptable daily intake. Evidence does not suggest adverse effects from typical dietary intake.

Allergen info

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

Products containing Zinc Sulfate

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Kellogg Company US Kellogg Special K Breakfast Shake Vanilla 10Fl Oz Drinks Flavoured - Ready to Drink —kcal 3.2Protein 1.6Fat 9.3Carbs Abbott Nutrition Pediasure Sidekicks Vanilla 4Pk/8 Fl Oz Bottles 62kcal 2.9Protein 2.1Fat 8.8Carbs AHOLD Flavored Syrup Syrups & Molasses 47kcal 3.1Protein 0Fat 12.5Carbs ENSURE CLEAR Therapeutic Nutrition Energy, Protein & Muscle Recovery Drinks 100kcal 3.5Protein 0Fat 21.5Carbs MARKET PANTRY Milk Chocolate Nutrition Shake Energy, Protein & Muscle Recovery Drinks 146kcal 5.4Protein 4.6Fat 20.8Carbs MARKET PANTRY Milk Chocolate Nutrition Shake Original Energy, Protein & Muscle Recovery Drinks 92kcal 3.8Protein 2.5Fat 13.8Carbs PARENT'S CHOICE Parent's Choice, Nutritional Shake, Chocolate Energy, Protein & Muscle Recovery Drinks 100kcal 2.9Protein 3.8Fat 12.9Carbs NUTRAFLORA FOS* High-Protein Nutrition With Fiber Energy, Protein & Muscle Recovery Drinks 0kcal 5.5Protein 3.9Fat 16.8Carbs PROMOTE Very-High-Protein Nutrition Drink , Vanilla Energy, Protein & Muscle Recovery Drinks 99kcal 6.2Protein 2.8Fat 13.7Carbs SUPLENA Therapeutic Nutrition Energy, Protein & Muscle Recovery Drinks 177kcal 4.4Protein 9.5Fat 19.3Carbs NEPRO WITH CARB STEADY Therapeutic Nutrition Energy, Protein & Muscle Recovery Drinks 177kcal 8.0Protein 9.5Fat 15.8Carbs NEPRO Therapeutic Nutrition, Butter Pecan Energy, Protein & Muscle Recovery Drinks 177kcal 8.0Protein 9.5Fat 15.8Carbs
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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.