Ingredient

Sliced Onion

Source
Not animal-derived
Allergen
No
Role in food
Sliced onions are primarily used to add flavor to savory foods. They are a …

What is Sliced Onion?

Onions are bulbous vegetables grown underground, with a pungent flavor and aroma. They are typically sliced and used fresh or cooked in a variety of dishes. Sliced onions can be dehydrated or pickled for preservation.

Is Sliced Onion vegan?

Sliced Onion is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Sliced Onion gluten-free?

They do not contain gluten.

Is Sliced Onion a major allergen?

Onions are not one of the 9 major allergens.

What is Sliced Onion used for?

Sliced onions are primarily used to add flavor to savory foods.

Is Sliced Onion safe?

Onions are a vegetable and are generally recognized as safe (GRAS) by the FDA.

Why it's used

Sliced onions are primarily used to add flavor to savory foods. They are a common ingredient in dips, sauces, soups, stews, and as a topping for sandwiches and burgers. Their strong taste can be mellowed by cooking.

Health notes

Onions are a vegetable and are generally recognized as safe (GRAS) by the FDA. They are a source of vitamins, minerals, and antioxidants. While generally healthy, some individuals may experience digestive upset from raw onions. No specific regulatory limits are set for onion consumption by major health organizations.

Allergen info

Onions are not one of the 9 major allergens. They do not contain gluten.

Foods that contain Sliced Onion

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Last updated: October 5, 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.