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Sunset Yellow FCF (Yellow 6) (E110)

Table v1.3 (data as of 14 Aug 2026), page updated 26 Sep 2026

Sunset Yellow FCF (Yellow 6) is the color the food industry lists as E110. In our table it is moderate risk: it takes 15 points off the additive subscore, a third of a product's score (about 5 of the 100).

In short
  • The key finding, from EFSA: ADI reduced from 2.5 to a temporary 1.0 mg/kg bw/day (rat testes effects, extra uncertainty factor of 2.5), against a background of concern about children's exposure (10.2903/j.efsa.2009.1330)
  • Flagged for young children. Set only where EFSA’s own exposure assessment shows toddlers or children exceeding or approaching the ADI, or where a regulator used explicitly child-specific language. For a child under 6 it moves up one class, to high risk.
  • Where you meet it. It turns up in 17 of the 10,000 packaged foods scanned most on Open Food Facts, most often in soft drinks, yogurts and juice drinks. Nine in ten of those foods are sold in Europe (counted 26 Sep 2026).
  • 4 citations from EFSA, EU law and OEHHA, each one below.

What Yellow 6 does to a score

A packaged food's additive subscore starts at 100 and loses points for each additive on the label; that subscore is a third of the final score. Yellow 6 takes 15 points off the additive subscore, a third of a product's score (about 5 of the 100), and a child under 6 sees it one class higher again. Scan the pack in Sito and the score you get is the one for your own child's age, with this additive named in the reasons. How we score has the whole method.

See what is in your own cupboard

Scan a packaged food and Sito names the additives in it, then scores the product out of 100 for your child's age.

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Sito app: a cereal scored 30 out of 100 for a child's age Sito app: logging a child's meal from a photo

What the sources found

Every classification in our table comes from the citations below, and nothing else. Each finding is our one-line summary of what the source concluded, with the source and reference beside it.

  • EFSA 10.2903/j.efsa.2009.1330
    ADI reduced from 2.5 to a temporary 1.0 mg/kg bw/day (rat testes effects, extra uncertainty factor of 2.5), against a background of concern about children's exposure.
  • EFSA 10.2903/j.efsa.2014.3765
    Temporary ADI reconsidered; new ADI of 4 mg/kg bw/day established (NOAEL 375 mg/kg bw/day, UF 100), aligning with JECFA.
  • EU law Regulation (EC) No 1333/2008, Annex V
    Mandatory child activity/attention warning label.
  • OEHHA (2021) synthetic food dyes / children neurobehavioral assessment
    Yellow 6 is one of the seven dyes assessed. OEHHA's overall conclusion is that synthetic food dyes can impact neurobehavior in some children; its review of human studies suggests that synthetic food dyes are associated with adverse neurobehavioral effects, such as inattentiveness, hyperactivity and restlessness in sensitive children, and that some children are likely to be more adversely affected than others.

Why this class

IARC Group 2B; or an EFSA re-evaluation that flagged genotoxicity data gaps, found safety could not be assessed on the available data, or cut the ADI citing child exposure; or an EU harmonised classification of the substance as a reproductive or developmental hazard; or an EU withdrawal of one authorised food use while others remain; or an OEHHA/Proposition 65 listing; or membership of the Southampton-six colourants.

Our confidence in this row's classification is high. Medium or low does not mean the evidence is weak; it means something about the row is still being pinned down, usually a regulatory status confirmed from one source rather than two.

Questions parents ask

Is Yellow 6 (E110) safe for kids?

Moderate risk. In Sito it takes 15 points off the additive subscore, a third of a product's score (about 5 of the 100). It is flagged for young children, so for a child under 6 it moves up one class, to high risk: 30 points off the additive subscore. The finding we rely on: ADI reduced from 2.5 to a temporary 1.0 mg/kg bw/day (rat testes effects, extra uncertainty factor of 2.5), against a background of concern about children's exposure (EFSA, 10.2903/j.efsa.2009.1330).

What is E110?

E110 is the E number for Sunset Yellow FCF, a color. It is also called Yellow 6. Open Food Facts tags it en:e110.

Next to it on the label

The E numbers either side of E110 in our table, then the closest colors by number.

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