Ingredient · E223

Sodium Metabisulfate

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Source

Not animal-derived

Allergen

Role in food

Sodium metabisulfite acts as a preservative by preventing spoilage and inhibiting the growth of …

What it is

Sodium metabisulfite is a white or slightly yellowish crystalline powder. It is a salt of sulfurous acid, formed when sulfur dioxide gas is dissolved in a solution of sodium carbonate or sodium hydroxide. It is commonly used as a preservative and antioxidant in food products.

Why it's used

Sodium metabisulfite acts as a preservative by preventing spoilage and inhibiting the growth of microorganisms. It also functions as an antioxidant, protecting foods from browning and maintaining their color and flavor. It is frequently found in dried fruits, wines, and processed potatoes.

Health notes

Sodium metabisulfite is generally recognized as safe (GRAS) by the FDA when used as a preservative. It can cause allergic-type reactions in some individuals, particularly those with asthma. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated sodium metabisulfite and established an acceptable daily intake. Evidence regarding its effects at typical consumption levels is mixed, with some studies suggesting potential sensitivities in certain populations.

Allergen info

Not a major allergen. It does not contain gluten.

Products containing Sodium Metabisulfate

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Long Grove Confectionery Co. Long Grove Confectionery Co., Milk Chocolate, Coconut Caramel, Coconut Caramel Chocolate High in saturated fat — 40% DV per serving 500kcal 5.3Protein 26.3Fat 68.4Carbs S Zitner Co. Dark Chocolate Covered Eggs, Coconut Cream Chocolate 375kcal 3.1Protein 12.5Fat 62.5Carbs White Products Division Of Gulf Smoked Seafoods Gourmet Smoked Tuna Dip Dips & Salsa High in sodium — 41% DV per serving High in saturated fat — 40% DV per serving 381kcal 17.7Protein 33.6Fat 4.4Carbs Steven-Robert Desserts Cakebabies, Coconut Cakes, Cupcakes, Snack Cakes 419kcal 3.2Protein 22.6Fat 48.4Carbs Hans Kissle Co., Inc. Tuna Wrap Prepared Wraps and Burittos High in sodium — 59% DV per serving High in saturated fat — 25% DV per serving High in cholesterol — 20% DV per serving 198kcal 10.9Protein 8.1Fat 18.7Carbs Hans Kissle Co., Inc. Turkey Waldorf Salad Wrap Prepared Wraps and Burittos High in sodium — 47% DV per serving High in saturated fat — 35% DV per serving 242kcal 9.0Protein 13.7Fat 25.4Carbs Quality Bakery Products, Inc. Pineapple Pie Cakes, Cupcakes, Snack Cakes 242kcal 2.3Protein 10.2Fat 34.4Carbs Sheridan Snax Inc. Coconut Macaroon Chocolate Dipped Cookie Cookies & Biscuits High in saturated fat — 45% DV per serving 452kcal 2.4Protein 23.8Fat 54.8Carbs

Milky Way Int'L Trading Corp Coconut Water With Pulp Plant Based Water 36kcal 0Protein 0Fat 8.4Carbs AEM Food and Beverage, Inc Paneer Street Wrap Prepared Wraps and Burittos High in sodium — 37% DV per serving High in saturated fat — 40% DV per serving 227kcal 10.2Protein 13.3Fat 19.5Carbs North American Baking, Inc. Jalapeno Cheddar Cornbread Crackers Crackers & Biscotti 433kcal 6.7Protein 11.7Fat 73.3Carbs Pastore's Inc. Gnocchi With Potato Pasta by Shape & Type High in sodium — 25% DV per serving 169kcal 3.8Protein 0.3Fat 36.9Carbs

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.