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E132Caution

Indigotine (indigo carmine)

Group: Colours

Harm level3 of 5In moderation

In plain words

Indigotine is an artificial dark blue dye. You find it in sweets, icings, drinks and baked goods.

Where you find it: sweets, baked goods, drinks

Our recommendation

Best limited; it offers no health benefit and usually signals an ultra-processed food.

Possible risks and effects

  • Allergic reactions rarely reported.

For experts

A synthetic indigoid dye (indigo disulphonate), produced chemically. EFSA re-evaluated it in 2014 and saw no safety concern at normal intake; its only role is colouring.

Check another E-number

More from this group

E171Titanium dioxideE102TartrazineE104Quinoline yellowE110Sunset Yellow FCFE122Azorubine (carmoisine)E124Ponceau 4RE129Allura Red ACE120Carmine (cochineal)

This information is educational and based on EFSA assessments and available studies; it does not replace medical advice. With allergies, intolerances or illness, follow your doctor’s advice.