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Is Glutamic Acid vegan?

Glutamic Acid

Vegan

Glutamic acid is a non-essential amino acid naturally found in many proteins and produced commercially via bacterial fermentation. It functions as a flavour enhancer, skin-conditioning agent, and buffering agent in food and cosmetics.

Also known as (S)-2-Aminopentanedioic acid, 2-Aminoglutaric acid, alpha-Aminoglutaric acid, L-Glutamic acid
INCI name Glutamic Acid
E number E620
CAS number 56-86-0
EC number 200-293-7
CosIng ID 34017
Last reviewed 22 April 2026

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.