Ingredient

Iron As Ferrous Sulfate

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Source
Not animal-derived
Allergen
No
Role in food
Ferrous sulfate is added to foods as a nutrient to help prevent iron deficiency. …

What it is

Iron is a mineral that is essential for life. Ferrous sulfate is a common form of iron used to fortify foods. It is made by reacting iron with sulfuric acid.

Why it's used

Ferrous sulfate is added to foods as a nutrient to help prevent iron deficiency. It is commonly found in breakfast cereals, enriched breads, and infant formulas. It can also be used as a colorant in some pet foods.

Health notes

In the U.S., iron is generally recognized as safe (GRAS) when used as a nutrient. The FDA permits its use in food. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) and the European Food Safety Authority (EFSA) have evaluated iron compounds. Iron is essential for oxygen transport in the blood, but excessive intake can cause gastrointestinal upset and, in rare cases, serious health issues. The U.S. National Academies of Sciences, Engineering, and Medicine have established upper intake levels for iron.

Allergen info

Iron as ferrous sulfate is not derived from any of the 9 FDA major allergens and is gluten-free.

Products containing Iron As Ferrous Sulfate

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FREMONT [FISH MARKET] Oven Crispy Popcorn Shrimp Frozen Fish & Seafood High in sodium — 31% DV per serving 259kcal 9.4Protein 12.9Fat 25.9Carbs Crunchy Beer Battered Shrimp Rich Products Corporation Crunchy Beer Battered Shrimp Frozen Fish & Seafood 200kcal 10.6Protein 10.6Fat 15.3Carbs Clean Concepts Group LLC Kelley Belle's Kitchen, Sweet Soft Caramel & Salty Pretzels Wrapped In Velvety White Chocolate Popcorn, Peanuts, Seeds & Related Snacks 409kcal 4.5Protein 15.9Fat 63.6Carbs Pretzel Pete, Inc. Cheddar Cheese Flavored Baked Pretzel Balls, Cheddar Cheese Chips, Pretzels & Snacks 433kcal 10Protein 11.7Fat 70Carbs Rich Products Corporation Tres Leches, Sponge Cake, Strawberry Flavored Drizzle, Strawberry Flavored Drizzle Cakes, Cupcakes, Snack Cakes High in saturated fat — 45% DV per serving High in cholesterol — 45% DV per serving 241kcal 4.4Protein 8.0Fat 38.0Carbs Martin's, Pretzels, Milk Chocolate, Milk Chocolate Martin's Potato Chips, Inc. Martin's, Pretzels, Milk Chocolate, Milk Chocolate Popcorn, Peanuts, Seeds & Related Snacks High in saturated fat — 20% DV per serving 464kcal 7.1Protein 17.9Fat 67.9Carbs Rich Products Corporation Cupcake, A Soaked Sponge Cake With Whipped Icing And Strawberry Drizzle, Strawberry Drizzle Cakes, Cupcakes, Snack Cakes High in saturated fat — 20% DV per serving High in cholesterol — 22% DV per serving 224kcal 4.7Protein 7.1Fat 35.3Carbs Rich Products Corporation Tres Leches Style Bar Cake Cakes, Cupcakes, Snack Cakes High in saturated fat — 25% DV per serving 235kcal 3.7Protein 8.6Fat 35.8Carbs Superior Nut Co.Inc. Peanuts & Pretzels Tavern Mix, Sweet & Savory, Honey Roasted Other Snacks 536kcal 17.9Protein 39.3Fat 35.7Carbs Rich Products Corporation Tres Leches Coconut Coco Cupcake Cakes, Cupcakes, Snack Cakes High in saturated fat — 30% DV per serving 224kcal 3.5Protein 8.2Fat 34.1Carbs Chester A. Asher, Inc. Extra Large Chocolate Covered Pretzels, Extra Large Chocolate Covered Popcorn, Peanuts, Seeds & Related Snacks High in saturated fat — 35% DV per serving 489kcal 6.4Protein 23.4Fat 66.0Carbs Walgreens Co. Festive Crunch Indulgent Trail Mix Popcorn, Peanuts, Seeds & Related Snacks 500kcal 16.7Protein 30Fat 46.7Carbs

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.