Xanthan Gum
Thickener / Stabilizer
None/Unspecified
Description
Fermentation-derived polysaccharide used as a thickener, stabilizer, and emulsifier in processed foods.
Learn More Dossier
Authoritative evaluations (EFSA, JECFA) generally conclude no safety concern at typical dietary exposures for the general population and that a numerical ADI is not needed/ADI is 'not specified'. Key practical uncertainty for consumer dashboards is exposure: restaurant/fast-food use levels are rarely disclosed. A distinct higher-risk context exists for premature infants exposed to xanthan gum–containing thickeners in clinical feeding management, where NEC case clusters were reported.
Regulatory status
Australia
Allowed
Listed as INS 415 Xanthan gum in Schedule 15 permissions framework
Basis: Other
Effective: 2016-03-01
Source
Canada
Allowed
Permitted in specified standardized foods (some GMP; some numeric ppm limits)
Basis: Other
Source
International
Allowed
Widely permitted; GMP in many categories and Table 3; some categories have numeric maxima
Basis: Other
Source
European Union
Allowed
Authorized broadly, often quantum satis; specific MPLs apply in certain specialized categories (e.g., some infant FSMP categories)
Basis: Other
Source
Japan
Allowed
Permitted food additive within Japan’s positive-list approach (designated + existing food additives)
Basis: Other
Source
United Kingdom
Allowed
Permitted food additive (E 415) under the referenced legislation framework
Basis: Other
Source
United States
Allowed
Foods generally; use as stabilizer, thickener, emulsifier under GMP
Basis: 21 CFR 172.695
Source
Registry review date: 2026-02-25
State policy updates
California (US)
Not Applicable
AB 418 / HSC §109025 bans certain named substances; xanthan gum is not listed
Source
Research Evidence Snapshot
Major authoritative reviews (EFSA 2017; EFSA 2023 follow-up; JECFA 2016) support no safety concern at typical use conditions for general populations, with primary tolerability effects being GI-related at high doses. A distinct precautionary context exists for premature infants exposed to xanthan-containing thickeners for dysphagia/reflux management.
Critical endpoints: GI intolerance at high doses; special-population neonatal/premature infant feeding context (NEC reports); no genotoxicity/carcinogenicity signal in reviewed datasets.
ACUTE SENSITIVITY HAZARD
Confidence: Medium
Low
Primary acute-type signal is GI intolerance at high doses; separate high-risk clinical feeding context exists for premature infants using xanthan gum-containing thickeners (NEC reports).
CHRONIC HEALTH EVIDENCE DIRECTION
Confidence: Low
Neutral/unclear
High-dose trials show some metabolic changes; evidence is insufficient to infer benefit/harm at typical additive exposures.
EVIDENCE STRENGTH
Confidence: Medium
Moderate
Multiple evaluations and study types exist, but exposure and certain endpoint data gaps remain for dashboard use.
REGULATORY POSTURE (U.S.)
Confidence: High
Authorized/Permitted
Explicitly permitted for direct addition to food under GMP in 21 CFR 172.695.
REGULATORY DIVERGENCE
Confidence: High
Low
Permissions exist across international food standards, EU/UK, Canada, Japan; major scientific bodies converge on ADI not specified / no numerical ADI needed.
HEALTH-BASED GUIDANCE AVAILABILITY
Confidence: Medium
Established
Health-based conclusions exist (JECFA ADI not specified; EFSA no numerical ADI needed), but not as a single numeric ADI/TDI used universally in all jurisdictions.
EXPOSURE CERTAINTY
Confidence: High
Low
EU modeled exposure exists; US restaurant/fast-food use levels are usually undisclosed.
DATA RECENCY & STABILITY
Confidence: Medium
Stable
Longstanding permissions; ongoing EFSA follow-up work highlights evolving specification/analytical issues (e.g., particle-size method gaps).
Health guidance & exposure
- ADI — JECFA (2016): Not specified
Agency exposure estimates
- EFSA — Children (3–9 years), refined non-brand-loyal high-end estimate: 64 mg/kg bw/day
- EFSA — Infants <16 weeks consuming special infant formulae (high-level consumption) under MPL scenario: 312 mg/kg bw/day
- JECFA — Conservative infant intake estimate referenced for MOE discussion: 220 mg/kg bw/day
Measured food levels
- Exposure estimate: Not specified
Restaurant/fast-food use levels are typically proprietary and not publicly quantified; ingredient statements confirm presence in some items but not concentrations.
Data gaps
- US fast-food/restaurant concentration data (mg/kg or mg/L) are not generally available in public datasets.
- EFSA noted lack of standardized methods for particle size distribution/water solubility for polysaccharide thickeners; nanoparticle presence cannot be confirmed or excluded in pristine E 415.
- Some toxicology domains (e.g., prenatal developmental study coverage) are limited in publicly summarized evaluations.
Found in these Restaurants
We found this ingredient in menu items at the following chains:
Methodology
We assign the Low / Limited Concern tier using published research, regulatory guidance, and PRūF’s additive taxonomy. Restaurant usage is derived from public ingredient disclosures and mapped to menu items where this additive appears.
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Related questions and pages
Regulatory context
Learn how this additive is treated across different regulatory frameworks and why mixture effects can matter.
Scientific Sources & References
About this Audit
Data sourced from publicly available nutrition guides and ingredient lists as of 2026-03-04. Percentages represent the frequency of an ingredient's appearance across standard menu items, not the quantity within a specific item. Regional availability and supplier formulations may vary.
PRūF is an independent educational tool and is not affiliated with, endorsed by, or connected to any restaurant chain mentioned. All trademarks belong to their respective owners.
