Glutamic Acid
Nutritional yeast products do not have any added monosodium glutamate; however, all inactive yeast contains a certain amount of free glutamic acid because when the yeast cells are killed the protein that comprises the cell walls begins to degrade, breaking down into the amino acids that originally formed it. Glutamic acid is a naturally occurring amino acid in all yeast cells, as well as in many vegetables, fungi and meats.
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