Is Calcium Alginate vegan?

Calcium Alginate

Vegan

Calcium Alginate is the calcium salt of alginic acid, a polysaccharide extracted from brown seaweed. It is used as a gelling agent, thickener, and stabiliser in food and cosmetic formulations.

Also known as Alginic acid calcium salt, Alginic acid, calcium salt, Calcium polymannuronate
INCI name Calcium Alginate
E number E404
CAS number 9005-35-0
CosIng ID 74883
Last reviewed 22 April 2026

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