Sodium alginate is a water-soluble polysaccharide found in brown seaweed. It is a multi-purpose food additive (e.g., emulsifier, thickener, stabilizer).
Sodium Alginate
Found In
- Beverages
- Condiments
- Confections
- Gelatin and pudding
- Milkshakes & fruit smoothie-type drinks
- Processed fruits & fruit juices
Also Known As
- Alginic Acid, Sodium Salt
- E401
The Beverage Bottom Line
Sodium alginate is authorized for use in the U.S., Europe and Canada.
This ingredient may have authorizations in countries not included on this site.
International Assessments and Authorizations
U.S. Food And Drug Administration (FDA)
Affirmation by FDA this ingredient is generally recognized as safe as a direct human food ingredient. (GRAS FDA-Affirmed)
This page was last updated on 6/30/2025.