L-Glutamine Side Effects

by James H. food additives professional

L-Glutamine, CAS number 56-85-9, is a glutamic acid derivative used as a safe nutritional supplements in many food products. L-Glutamine manufactured through chemical synthesis from glutamate and ammonia, available as Crystalline Powder.

General Side Effects

L-glutamine intake should be limited to no more than 40mg a day. It may be involved in liver damage and sensitivity to MSG.

Suggested Dosage

As L-Glutamine is widely known as safe, there is no limit on dosage of intake. However, we still recommend consumers to consult professionals before using large quantity of L-Glutamine for long period.
* ADI: Acceptable Daily Intake
* MTDI: maximum tolerable daily intake
* Data source: JECFA Database of WHO

Special Groups Precaution

Special groups refer to newborns, children, pregnant and any other applicable vulnerable groups.
There is no evidence that L-Glutamine could have any negative effects on these vulnerable groups. It should be safe to use L-Glutamine in food for newborns and pregnant. However, we still recommend consumers to consult professionals before using large quantity of L-Glutamine for long period in food for newborns or pregnant.

GRAS Affirmation: Yes

Generally recognized as safe(GRAS) is a FDA designation that a specific substance or ingredient is generally considered safe by experts, and so is exempted from the usual Federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements. L-Glutamine is considered safe by FDA according to existing data and granted GRAS status.