E-code guide
E400Alginic Acid
HalalThickener
E400

Alginic Acid

Thickener from seaweed

SANHA, JAKIM Handbook 2010, and MUIS all classify this as halal.
Based on 3 cited authorities. Confidence: medium.

What authorities say

3 authorities on record
3say Halal

Why this verdict

E400 is alginic acid, a thickener and gelling agent extracted from brown seaweed, used in ice cream, sauces, and dessert gels. SANHA, JAKIM Handbook 2010, and MUIS all classify E400 as halal. MUIS notes it is extracted from brown seaweeds such as Laminaria, Macrocystis, and Ascophyllum. E400 is halal.

Common questions

Is E400 halal?

Alginic Acid (E400) is classified halal. SANHA, JAKIM Handbook 2010, and MUIS classify it as halal.

What is E400 made from?

Alginic Acid (E400) is derived from plant sources.

Last reviewed by the HalalHQ research team in June 2026.
E400 Alginic Acid: Halal | HalalHQ E-code guide