Food use
Food-use source coverage is present in the current record.
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.
- food
Lacto-N-tetraose
CAS 6429-58-9 · 40/100 · High conf.
Also registered as 1 other CAS number
14116-68-8
Concern score
40/100Moderate concern based on regulatory listings.
High confidence
Lacto-N-tetraose in plain language
Also known as Lnt (oligosaccharide) · (Gal)2 (Glc)1 (GlcNAc)1 · CS-0173342 · E80716 · Galbeta1-3GlcNAcbeta1-3Galbeta1-4Glc · HY-N9448
Show all 9 names
Lnt · UNII-46XNQ2LX59 · starbld0016631
We don't have a plain-language description for Lacto-N-tetraose yet.
- Moderate concern: no hazard classifications on record.
Why it's flagged
EPA DSSTox provides the canonical identifier, structure, and synonym profile for this chemical.
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. Lacto-N-tetraose appears in these published regulatory listings.
EUEFSAEFSA opinion2 entries
- Safety of the extension of use of 2'-fucosyllactose/difucosyllactose (2'-FL/DFL) mixture and lacto-N-tetraose (LNT) as novel foods in food supplements for infants pursuant to Regulation (EU) 2015/2283 (EFSA NDA)Source →
- Safety of lacto-N-tetraose (LNT) as a novel food pursuant to Regulation (EU) 2015/2283 (EFSA NDA)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.
JECFA
Joint FAO/WHO Expert Committee on Food Additives
No JECFA evaluation on file.
EFSA
European Food Safety Authority
Safety of the extension of use of 2'-fucosyllactose/difucosyllactose (2'-FL/DFL) mixture and lacto-N-tetraose (LNT) as novel foods in food supplements for infants pursuant to Regulation (EU) 2015/2283 (EFSA NDA)
2022 · EU EFSA listing · Read the source →
Safety of lacto-N-tetraose (LNT) as a novel food pursuant to Regulation (EU) 2015/2283 (EFSA NDA)
2019 · EU EFSA listing · Read the source →
Evidence & sources
No graded research studies for Lacto-N-tetraose yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
Found in these products
Their ingredient lists include Lacto-N-tetraose; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
