Glutamic Acid

Glutamic acid is an amino acid, one of the building blocks of protein. It occurs naturally in many foods, including meats, fish, vegetables, and dairy products. It can be produced industrially through fermentation using bacteria.

Glutamic acid is used as a flavor enhancer, particularly to provide an umami taste. It is often added to savory foods like soups, sauces, processed meats, and snack foods to deepen and round out their flavor profiles.

In the U.S., glutamic acid is generally recognized as safe (GRAS) by the FDA when used as intended. It is a naturally occurring substance in the body and in food. JECFA has evaluated glutamic acid and its salts, establishing acceptable daily intakes. Some individuals report sensitivity to added glutamates, experiencing symptoms like headaches, though scientific studies have not consistently linked these symptoms to typical dietary intake.