Is Monosodium Glutamate vegetarian?
Monosodium Glutamate
Monosodium glutamate (MSG) is the sodium salt of glutamic acid, used as a flavour enhancer. It is produced commercially via bacterial fermentation of carbohydrate sources such as molasses or starch with ammonium salts, though it was originally isolated from seaweed.
| Also known as | Ajinomoto, Glutamic acid monosodium salt, MSG, Sodium glutamate, Sodium hydrogen glutamate |
|---|---|
| INCI name | Monosodium Glutamate |
| E number | E621 |
| INS number | 621 |
| CAS number | 142-47-2 |
| EC number | 205-538-1 |
| CosIng ID | 79487 |
| Last reviewed | 16 April 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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