L-Glutamic Acid Side Effects

Glutamic acid E620 is often used as a food additive and flavor enhancer in the form of its salt, known as monosodium glutamate (MSG). Though Glutamic acid E620 is considered safe, some are convinced it has potentially dangerous health effects.

What Is Glutamic acid E620?

L-Glutamic Acid E620 is a protein-bound non-essential amino acid that is commonly found in plants and animals. It is naturally found in foods such as cheese, meat, mushrooms, and soybeans. As a food additive, L-Glutamic Acid is widely used as a flavor enhancer in items with a meaty or savory taste.

Possible Side Effects of Glutamic acid E620

Although Glutamic acid E620 generally regarded as a very safe and effective supplement, there can be some minor side effects. The side effects may:

  • Blood in urine
  • changes in skin color
  • chills
  • cold hands and feet
  • confusion
  • cough
  • difficulty swallowing
  • dizziness
  • fainting
  • fast heartbeat
  • fever
  • frequent and painful urination
  • headache
  • hives
  • itching
  • lightheadedness
  • lower back or side pain
  • pain, redness, or swelling in arm or leg
  • puffiness or swelling of the eyelids or around the eyes, face, lips or tongue
  • rapid, shallow breathing
  • shortness of breath
  • skin rash
  • stomach pain
  • sudden decrease in amount of urine
  • tightness in chest
  • unusual tiredness or weakness
  • wheezing

GRAS Affirmation: Yes

Generally recognized as safe (GRAS) is an American Food and Drug Administration (FDA) designation that a chemical or substance added to food is considered safe by experts, and so is exempted from the usual Federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements. Glutamic acid E620 is considered safe.

Suggested Dosage


Special Populations Precaution

There is a lot of concern about diet and nutrition for these population, like Newborns, children, pregnant, sensitive to Glutamic acid populations. Better consult to your doctor if you would like to intake Glutamic acid E620.




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