FDA's revocation of Red No. 3 (erythrosine) is one of the most significant color additive regulatory actions in decades. The final rule was published on January 15, 2025, and removes Red No. 3 from the list of color additives permitted for use in food and ingested drugs. The legal basis is the Delaney Clause — and once the Delaney Clause applies, FDA has no discretion. The revocation is mandatory, regardless of exposure levels or risk assessments.
Why FDA Revoked Red No. 3
The Delaney Clause, codified at 21 U.S.C. 348(c)(3)(A), prohibits FDA from approving a food additive that has been found to induce cancer in humans or animals. There is no risk threshold and no cost-benefit analysis — the clause operates as a hard prohibition.
High-dose animal studies conducted in the 1980s found that Red No. 3 caused thyroid tumors in male rats. FDA acknowledged at the time that the mechanism was rat-specific (high doses of erythrosine suppress thyroid-stimulating hormone in a way that does not occur in humans at normal dietary exposures), but the Delaney Clause does not permit that kind of mechanistic carve-out. A positive animal carcinogenicity finding is sufficient to trigger revocation.
A citizen petition requesting revocation had been pending for more than 35 years. FDA's January 2025 final rule resolved that petition.
Compliance Deadlines
The revocation takes effect on a phased timeline:
January 15, 2027 — compliance deadline for most food manufacturers. After this date, food products manufactured in the U.S. may not contain Red No. 3.
January 18, 2028 — extended compliance deadline for manufacturers of ingested drugs (including some supplement formats) that require additional time for reformulation.
Products manufactured before the applicable compliance date and already in distribution channels may continue to be sold through their expiration dates. The deadline applies to the date of manufacture, not the date of sale. Brands with long shelf lives need to move their reformulation timelines earlier to avoid stranded inventory.
Which Products Are Affected
Red No. 3 appears across a broader range of SKUs than many brands initially expect. Categories where Red No. 3 has been commonly used:
Maraschino cherries and glacé cherries — historically one of the highest-use categories
Candies and confections — particularly hard candies, gummies, and fruit-flavored products with bright red or pink hues
Baked goods and frostings — red velvet and decorative products
Dietary supplement gummies and chewables — pink and red color formulations in gummy vitamins and chewable supplements
Capsule coatings — some gelatin and HPMC capsule formulations
Fruit cocktail and canned fruit — where cherries are a component
Some beverages — certain fruit-flavored drinks
Brands should audit every SKU against current formulation records — not just marketing materials. Red No. 3 may appear as "erythrosine," "FD&C Red No. 3," "CI 45430," or "E127" in ingredient documentation from contract manufacturers.
What Brands Need to Do
Audit current formulations. Pull specification sheets and Certificate of Analysis documents for every product in your portfolio. Confirm whether Red No. 3 appears in finished product formulas, capsule or coating specifications, or any component ingredient.
Engage your co-manufacturer or CMO now. Reformulation requests queue up. If your product requires a color change, your contract manufacturer needs lead time for formula development, stability testing, and production scheduling. Waiting until mid-2026 to initiate reformulation conversations leaves inadequate margin before the January 2027 deadline.
Identify compliant alternative colorants. Common Red No. 3 substitutes include:
FD&C Red No. 40 (Allura Red AC) — the most widely used synthetic red; currently authorized under 21 CFR 74.340
Carmine (cochineal extract) — a natural red derived from scale insects; requires allergen-style disclosure under FDA guidance ("contains: carmine" or "color added")
Beet juice / beetroot powder — natural alternative, heat-sensitive; color stability varies by application
Lycopene — natural tomato-derived red; approved for use in certain applications
Each alternative carries its own regulatory requirements, cost profile, and formulation behavior. The right choice depends on your product format, processing conditions, and label positioning.
Update labels and ingredient lists. Once reformulation is complete, every label referencing Red No. 3 must be revised before the new formula goes to market. Label changes require updated artwork files, printer proofs, and — for brands with retail distribution — advance notice to retail partners who manage planogram and label compliance.
Document the change. Maintain records of the reformulation decision, specification changes, and manufacturing transition dates. FDA inspectors reviewing post-deadline products will look for documentation showing when the change was implemented.
The Broader Color Additive Regulatory Trend
The Red No. 3 revocation is not an isolated event. FDA and state-level regulators have been tightening color additive policy across the board:
California AB 418 (2023) banned brominated vegetable oil, potassium bromate, propylparaben, and Red No. 3 in food sold in California, effective January 1, 2027 — creating an additional state-level compliance obligation that aligns with but is separate from the federal rule.
FDA's 2025 natural color guidance updated the list of approved natural colorants and clarified labeling requirements for color additives exempt from certification.
FD&C Red No. 40, Yellow No. 5, and Yellow No. 6 are subject to ongoing scrutiny. HHS has directed FDA to phase out remaining synthetic dyes, and state legislatures continue to introduce restrictions. Brands over-indexed on synthetic colors face compounding reformulation timelines.
Proactively moving toward natural colorants reduces regulatory exposure across federal and state frameworks — and increasingly resonates with retail buyers who have their own ingredient standards.
Red No. 3 compliance is a reformulation problem, not a paperwork problem
Truli's ingredient compliance monitoring flags color additives against current and pending regulatory status — including the Red No. 3 revocation deadline, California AB 418, and natural color certification requirements. If your product portfolio includes any synthetic red colorants, Truli surfaces the affected SKUs and tracks your reformulation timeline against the applicable compliance dates.
A note from Truli: Truli is not a law firm, and this article does not constitute or contain legal advice or create an attorney-client relationship. When determining your obligations and compliance with respect to relevant laws and regulations, you should consult a licensed attorney.
