Food-Grade Artificial Coloring — Red 3 Ban, California AB 418, and Synthetic Dye Safety (FD&C Colors, Hyperactivity, Genotoxicity) — food safety profile
Low riskSynthetic food colorings — particularly FD&C Red No.
What is this product?
Synthetic food colorings — particularly FD&C Red No. 3 (erythrosine), Red No. 40 (Allura Red), Yellow No. 5 (tartrazine), and Yellow No. 6 (Sunset Yellow) — face increasing regulatory scrutiny following California's AB 418 (Food Safety Act, 2023), which banned Red 3, potassium bromate, brominated vegetable oil (BVO), and propylparaben from foods sold in California effective 2027. Red 3 has been banned from cosmetics since 1990 due to thyroid tumor promotion in male rats at high doses, yet remained FDA-approved for food use for over 30 years — a regulatory paradox explained by the Delaney Clause applying differently to cosmetics vs food additives. In January 2025, FDA finally revoked authorization for Red 3 in food and ingested drugs, effective January 2027, citing the Delaney Clause prohibition on cancer-causing additives. Beyond Red 3, the broader synthetic dye category raises concerns: a 2021 California OEHHA report reviewed 27 studies and concluded that synthetic food dyes exacerbate behavioral problems in children, with Red 40 and Yellow 5 showing the strongest evidence for hyperactivity effects. The EU requires warning labels on foods containing six specific dyes ('Southampton Six') stating they 'may have an adverse effect on activity and attention in children,' while the US has no equivalent labeling requirement despite reviewing the same evidence.
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