Ingredient · E400-E404

Algin

Source
Not animal-derived
Allergen
No
Role in food
Algin is used as a thickener, stabilizer, and gelling agent in foods. It helps …

What is Algin?

Algin is a general term for salts of alginic acid, a polysaccharide found in the cell walls of brown seaweed. It is extracted from seaweed through a chemical process.

Is Algin vegan?

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

Is Algin gluten-free?

It does not contain gluten.

Is Algin a major allergen?

Algin is derived from seaweed and is not one of the nine major allergens.

What is Algin used for?

Algin is used as a thickener, stabilizer, and gelling agent in foods.

Is Algin safe?

Algin is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) for use in food.

Why it's used

Algin is used as a thickener, stabilizer, and gelling agent in foods. It helps improve texture and prevent separation in products like ice cream, yogurt, sauces, and baked goods.

Health notes

Algin is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) for use in food. It is a type of dietary fiber and is not absorbed by the body. International bodies like JECFA and EFSA have evaluated algin and its salts.

Allergen info

Algin is derived from seaweed and is not one of the nine major allergens. It does not contain gluten.

Foods that contain Algin

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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.