E-code guide
E623Calcium Diglutamate
HalalFlavor enhancer
E623

Calcium Diglutamate

Flavor enhancer

MUIS classifies as doubtful; SANHA classifies as halal.
Based on 2 cited authorities. Confidence: medium.

What authorities say

2 authorities on record
1says Doubtful1says Halal

Why this verdict

E623 is calcium diglutamate, a flavour enhancer form of glutamate. SANHA classifies E623 as halal. MUIS marks E623 as syubhah, noting it is the calcium salt of glutamic acid (E620). On SANHA’s classification, E623 is halal.

Common questions

Is E623 halal?

Calcium Diglutamate (E623) is classified halal. MUIS classifies it as doubtful; SANHA classifies it as halal.

What is E623 made from?

Calcium Diglutamate (E623) is derived from plant sources.

Based on 2 cited authorities. Verdict may be revised as more positions are added.
Last reviewed by the HalalHQ research team in June 2026.