Allura Red AC (Red Dye No. 40)

Warning label required (EU)

Permitted in the EU but requires a warning label; the U.S. is phasing out synthetic dyes.

Some studies link synthetic dyes to hyperactivity in certain children.

U.S. products that list Red 40 (665)

Informational only. An additive restricted abroad is not automatically unsafe — regulators differ. Always read the current product label.