Ingredient · E401

Sodium Aliginate

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add sodium alginate to foods as a thickener, stabilizer, and emulsifier. It helps …

What is Sodium Aliginate?

Sodium alginate is a salt derived from alginic acid, a substance found in the cell walls of brown seaweed. It is typically produced by treating brown seaweed with sodium carbonate or sodium hydroxide.

Is Sodium Aliginate vegan?

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

Is Sodium Aliginate gluten-free?

It does not contain gluten.

Is Sodium Aliginate a major allergen?

Sodium alginate is derived from seaweed and is not one of the 9 FDA major allergens.

What is Sodium Aliginate used for?

Manufacturers add sodium alginate to foods as a thickener, stabilizer, and emulsifier.

Is Sodium Aliginate safe?

Sodium alginate is generally recognized as safe (GRAS) by the FDA.

Why it's used

Manufacturers add sodium alginate to foods as a thickener, stabilizer, and emulsifier. It helps to improve the texture and consistency of products like pickles, olives, dips, and relishes.

Health notes

Sodium alginate is generally recognized as safe (GRAS) by the FDA. It is a soluble fiber that may help with digestive regularity. JECFA and EFSA have evaluated sodium alginate and found it to be safe for consumption. There are no significant controversies or health concerns associated with its use at typical levels in food.

Allergen info

Sodium alginate is derived from seaweed and is not one of the 9 FDA major allergens. It does not contain gluten.

Foods that contain Sodium Aliginate

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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: 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.