Ingredient

Onion

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add onion primarily for its distinct savory flavor and aroma. It is a …

What is Onion?

Onion is a bulb vegetable from the Allium cepa plant, widely cultivated and consumed globally. It is used fresh, cooked, dried, or powdered in various culinary applications.

Is Onion vegan?

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

Is Onion a major allergen?

Not a major allergen.

What is Onion used for?

Manufacturers add onion primarily for its distinct savory flavor and aroma.

Is Onion safe?

Onion is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) for its intended use as a food ingredient.

Why it's used

Manufacturers add onion primarily for its distinct savory flavor and aroma. It is a staple ingredient in seasoning mixes, sauces, marinades, and a wide range of savory processed foods.

Health notes

Onion is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) for its intended use as a food ingredient. It is a common vegetable consumed worldwide and is not considered a food additive requiring specific safety evaluation by international bodies like JECFA or EFSA. While generally well-tolerated, some individuals may experience digestive discomfort, such as gas or bloating, due to certain carbohydrates (Fructans) found in onions. There are no notable controversies regarding its safety as a food ingredient at typical consumption levels.

Allergen info

Not a major allergen.

Foods that contain Onion

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

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.