Carrageenan is a water-soluble polysaccharide found in red seaweed (also called Irish moss). It is a multi-purpose food additive (e.g., emulsifier, thickener, stabilizer, anti-caking agent).
Carrageenan
Found In
- Beverages
- Infant formula
- Meat products
- Nut milks
- Yogurt
Also Known As
- Carrageenin
- Chondrus Extract
- E407
- Irish Moss Extract
- Processed Eucheuma Seaweed
The Beverage Bottom Line
Carrageenan 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)
Safe for intended uses. (FDA Approved, GRAS)
Information about its use as a stabilizer.

European Food Safety Authority (EFSA)
Safe for intended uses. Additional information requested.
This page was last updated on 6/30/2025.