Red 40 (Allura Red AC)
Also known as: Red Dye 40, Allura Red, FD&C Red No. 40, CI 16035
Color additive · E129
Regulatory Status
United States (FDA)
ApprovedFDA-approved color additive. Most widely used food dye in the US. No warning label required.
European Union (EFSA)
ApprovedPermitted in EU but requires warning label: "may have an adverse effect on activity and attention in children" (Southampton study).
Safety Profile
FDA considers it safe at current usage levels. EU requires a warning label citing potential behavioral effects in children. Several countries have voluntary bans.
Health Concerns
- • Linked to hyperactivity in children (Southampton study, 2007)
- • Possible carcinogen concerns (debated)
- • California requires warning label as of 2027
Commonly Found In
Sources: FDA Substances Added to Food, EFSA opinions, EU Regulation 1333/2008, IARC monographs
SafeCheck provides drug interaction information from FDA-approved product labeling (openFDA). This is for informational purposes only and is not medical advice. Always consult your healthcare provider before making medication decisions.