beauty
cleaning
food
industrial

L-Glutamine

CAS 32640-56-5 · 40/100 · High conf.

Also registered as 2 other CAS numbers

2087491-51-6 · 56-85-9

Concern score

40/100Moderate concern based on regulatory listings.

High confidence

L-Glutamine in plain language

What it is: On cosmetic ingredient lists it appears as “Glutamine”.
Also known as Glutamine · Levoglutamide · Glutamic ACID-5-AMIDE · (2S)-2,5-diamino-5-oxopentanoic acid · (S)-2,5-Diamino-5-oxopentanoic acid · 2-AMINOGLUTARAMIC acid
Show all 27 names
Acustasin · Cebrogen · Endari · Glavamin · Glumin (amino acid) · Glutamax · Glutamic acid amide · L-2-Aminoglutaramic acid · L-2-Aminoglutaramidic acid · L-Glutamic acid gamma-amide · L-Glutamide · L-Glutamin · Levoglutamid · Nutrestore · Saforis · Stimulina · glumin · glutamic acid 5-amide · glutamine-l · l-(+)-glutamine · l-glutamine. w/v: 29.23 g/l.
What it does: Used in cosmetics as a skin-conditioning agent, a hair conditioner and an antistatic agent.
Skin conditioning
Hair conditioning
Antistatic
Flavouring agent
Flavouring
Conditioner
Is it a concern?: Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 33 composition records across product categories including Raw materials, Laboratory supplies, Personal care.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. L-Glutamine appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Pharma
Food
Industrial

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
EUEFSAEFSA opinionFlavouring Group Evaluation 79, (FGE.79). Consideration of amino acids and related substances evaluated by JECFA (63rd meeting) structurally related to amino acids from chemical group 34 evaluated by EFSA in FGE.26Rev1 (2008). Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (EFSA AFC)
- Flavouring Group Evaluation 79, (FGE.79). Consideration of amino acids and related substances evaluated by JECFA (63rd meeting) structurally related to amino acids from chemical group 34 evaluated by EFSA in FGE.26Rev1 (2008). Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (EFSA AFC)Source →
GLOBALJECFANo safety concern at current levels of intake when used as a flavouring agentJECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.
- JECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.Source →
GLOBALJECFAEvaluatedJECFA evaluation record.
- JECFA evaluation record.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 33 composition records across product categories including Raw materials, Laboratory supplies, Personal care. EPA CPDat classifies this chemical for functional uses including Anti-static agent, Softener and conditioner, Flavouring and nutrient.
- EPA CPDat observed this chemical in 33 composition records across product categories including Raw materials, Laboratory supplies, Personal care. EPA CPDat classifies this chemical for functional uses including Anti-static agent, Softener and conditioner, Flavouring and nutrient.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
EFSA
European Food Safety Authority
- Flavouring Group Evaluation 79, (FGE.79). Consideration of amino acids and related substances evaluated by JECFA (63rd meeting) structurally related to amino acids from chemical group 34 evaluated by EFSA in FGE.26Rev1 (2008). Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (EFSA AFC)
  2008 · EU EFSA listing · Read the source →
JECFA
Joint FAO/WHO Expert Committee on Food Additives
- JECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.
  Year not recorded · GLOBAL JECFA listing · Read the source →
- JECFA evaluation record.
  Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

No graded research studies for L-Glutamine yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

8 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EFSA OpenFoodTox
regulatory · updated 2026-10-04
Open →
EPA Chemical and Products Database
exposure · updated June 2016
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
WHO JECFA Database
regulatory · updated 2026-10-04
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

Reference links (1)

Openfda substance

accessdata.fda.gov

Read →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed L-Glutamine in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Raw materialsLaboratory suppliesPersonal careFood and drug

Typical roles

Skin conditioningHair conditioningAntistaticFlavouring agentFlavouringConditioner

See products using L-Glutamine →

Catalog

Found in these products

Their ingredient lists include L-Glutamine; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 338 →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside L-Glutamine in the catalog.