Monosodium glutamate/ MSG
food ingredient
ISO/GMP
FCC

Monosodium glutamate, also known as sodium glutamate and MSG, is a of the non-essential . It is used as a and is commonly marketed as a . It has the 29224220 and the E621. Trade names of monosodium glutamate include Ajinomoto, Vetsin, and Accent. It was once predominantly made from , but is now mostly made from bacterial fermentation; it is acceptable for celiacs following a gluten-free diet.