What is Red Dye No. 3?
Red Dye No. 3, also known as Erythrosine or FD&C Red No. 3, is a synthetic color additive derived from petroleum. It was used for decades to impart a vibrant cherry-red color to a variety of food, drink, and drug products. Following animal studies and pressure from consumer groups, the FDA banned its use in food as of January 2025, with an effective date of January 2027. This action followed a similar ban in cosmetics in 1990 due to links to cancer in rats.
Common foods that contained Red Dye No. 3
Prior to the ban, Red Dye No. 3 was commonly found in many processed and brightly colored items. Checking ingredient lists for "Red 3," "Red Dye 3," or "Erythrosine" is important. Common product categories included candies, baked goods, fruit and dairy items like maraschino cherries, and some meats and beverages.
Natural alternatives used to replace Red Dye No. 3
Manufacturers are increasingly using natural, plant-based colorings to replace Red Dye No. 3 as they reformulate products. Options include beet juice, carmine, purple sweet potato, radish, red cabbage, paprika, and annatto.
Comparison: Red Dye No. 3 vs. Red Dye No. 40
With the ban on Red Dye No. 3, some manufacturers may use other synthetic dyes like Red Dye No. 40. While Red 40 is permitted by the FDA, it has faced its own scrutiny.
| Feature | Red Dye No. 3 (Erythrosine) | Red Dye No. 40 (Allura Red) |
|---|---|---|
| Chemical Type | Synthetic, petroleum-based | Synthetic, petroleum-based |
| Regulatory Status (US) | Banned in food and ingested drugs as of Jan 2025 (effective 2027) | Approved for use in food, drugs, and cosmetics |
| Known Concerns | Linked to thyroid cancer in male lab rats; potential behavioral issues in children | Linked to hyperactivity in sensitive children; potential cancer link in mice studies |
| Common Products | Maraschino cherries, candy corn, fruit snacks, strawberry milk | Soda, chips, ice cream, cereals, gelatin |
| EU Status | Limited use to candied and cocktail cherries; mostly banned since 1994 | Use permitted but must be labeled as potentially causing adverse effects on activity and attention in children |
Conclusion
Red Dye No. 3 was a widely used synthetic food colorant found in numerous candies, baked goods, drinks, and processed meats. Concerns arose after studies suggested a link to thyroid tumors in rats, leading to the FDA's ban in food, effective January 2027. Manufacturers are now transitioning to natural alternatives like beet juice and carmine, though some might use other synthetic dyes such as Red Dye No. 40, which also has associated concerns. Consumers can identify products containing Red Dye No. 3 by checking labels for "Red 3" or "Erythrosine" and can reduce exposure to artificial dyes by choosing whole foods and naturally colored options.