L-glutamic acid

Glutamic acid, a non-essential amino acid, is found in many meats, whole grains, and dairy products 1. Glutamic acid is approved by the U.S. Food and Drug Administration (FDA) as generally recognized as safe (GRAS) (21CFR182.1045) and appears to be well tolerated when given orally 2.

This ingredient can be found in the following products in United States:


  1. Braverman ER, Pfeiffer CC, Blum K, Smayda R. The Healing Nutrients Within. New Canaan, Ct.: Keats Publishing, Inc., 1997.
  2. Food and Drugs. Title 21, U.S. Code of Federal Regulations. 4-1-2000. 21CFR. Ref Type: Bill/Resolution