Food dyes are color additives used to change the appearance of food and beverages. They are not nutrients. They are not preservatives. They are added to food solely to change appearance—not to improve safety, shelf life, or nutritional value. Most synthetic food dyes used in the United States are petroleum-based, derived from crude oil rather than natural sources.^[9.1]

This guide covers what has changed with the FDA food dye ban, which artificial food dyes are being banned, where the U.S. differs from other countries, what science has established about food dye side effects, and how to find dye-free food coloring and natural food dye alternatives.

The FDA Food Dye Ban: What's Happening in 2025-2027

The FDA has taken significant action on food dyes, with more changes underway. Here is the current status of the US food dye ban:

• Red No. 3 (Red food dye): The FDA banned Red No. 3 in January 2025, revoking its authorization under the Delaney Clause after studies showed it caused thyroid cancer in animals.^[1.1] Foods must reformulate by January 2027; drugs by January 2028.^[1.2]
• Six more dyes targeted: The FDA is working with the food industry to voluntarily eliminate Red 40, Yellow 5, Yellow 6, Blue 1, Blue 2, and Green 3 by the end of 2027.^[1.3]
• Orange B and Citrus Red No. 2: The FDA initiated formal revocation proceedings in 2025.^[1.4]
• RFK Jr. and the MAHA movement: Health and Human Services Secretary Robert F. Kennedy Jr. has made removing artificial food dyes a key priority. The food dye ban announcement aligned with the Make America Healthy Again (MAHA) initiative's focus on removing harmful additives from the food supply.^[1.5]

Did the US Ban Food Dyes?

Yes and no. The FDA banned food dyes selectively: Red No. 3 is now banned, with revocation proceedings underway for Orange B and Citrus Red No. 2.^[1.1][1.4] Six additional artificial food dyes are targeted for voluntary phase-out—not an outright ban.^[1.3] The distinction matters: banned food dyes cannot be used at all, while phase-out dyes remain legal until companies voluntarily reformulate or until further regulatory action.

What Food Dyes Are Being Banned?

The following food dyes are either banned or in the process of being removed from the US food supply:

State Food Dye Bans: West Virginia, California, and More

Several states have enacted their own food dye restrictions:

• West Virginia food dye ban: H.B. 2354 bans seven dyes from school lunches (effective August 2025) and from all food products statewide (effective January 2028).^[1.6] A federal judge temporarily paused the broader provisions in December 2025, but school lunch restrictions remain in effect.^[1.7]
• California: AB 2316 banned Red 40, Yellow 5, Yellow 6, Blue 1, Blue 2, and Green 3 from school foods, effective December 31, 2027.^[1.8]
• Virginia: S.B. 1289 enacted restrictions on food dyes in school meals.^[1.9]
• Texas: S.B. 25 requires warning labels on foods containing 44 specified additives, including synthetic dyes, effective January 2027.^[1.10]

State-level action has accelerated federal attention to the artificial food dye ban, and more states are considering similar legislation.

What Are Food Dyes?

Definition: A food dye (also called a color additive) is any dye, pigment, or substance that imparts color when added to food, drugs, or cosmetics. Under U.S. law, color additives must be approved by the FDA before use.^[9.1]

What Are Food Dyes Made Of?

Most synthetic food dyes are petroleum-based food dyes: they are derived from crude oil, not natural sources.^[9.1] Historically called "coal-tar dyes," these synthetic dyes in food are now manufactured from petroleum.^[9.2] The nine FDA-certified food dyes are all petroleum-derived.

Food dyes fall into two regulatory categories:

• Certified colors (synthetic food dyes): Require batch-by-batch FDA certification under 21 CFR Part 74. These are the petroleum-based artificial food dyes targeted by current regulations.^[9.5]
• Colors exempt from certification (natural food dyes): Generally derived from plants, minerals, or insects. Listed under 21 CFR Part 73.^[9.6]

Are Food Dyes Bad for You?

This is one of the most common questions about dyes in food. The short answer: synthetic food dyes provide zero nutritional benefit while carrying documented health concerns, particularly for children.

Why Are Food Dyes Bad for You?

According to the California Office of Environmental Health Hazard Assessment (OEHHA), synthetic food dyes are "associated with adverse neurobehavioral outcomes in some children."^[2.1] The OEHHA assessment also concluded that legacy Acceptable Daily Intake (ADI) levels were generally not designed to detect effects on behavior.^[2.2] The primary concerns include:

• Behavioral effects: Hyperactivity, inattentiveness, and restlessness in children^[2.1]
• ADHD connection: Multiple studies link food dyes and ADHD symptoms^[2.4]
• Carcinogenicity: Red No. 3 caused thyroid tumors in animals (now banned)^[3.1]
• Genotoxicity concerns: Some studies show potential DNA damage^[5.5]
• Allergic reactions: Some individuals experience food dye allergy or food dye intolerance symptoms^[4.1][4.3]

Recent peer-reviewed synthesis: A 2022 review published in Environmental Health concluded that human clinical trials combined with animal toxicology support an association between synthetic dyes and behavioral impacts in some children, and raised questions about whether current ADIs fully reflect these endpoints.^[2.6]

Food Dyes and ADHD: What Does the Research Show?

Do food dyes cause ADHD? The relationship between ADHD and food dyes has been studied extensively:

• Southampton Study (2007): Found dye mixtures increased hyperactivity in 3-year-old and 8/9-year-old children. This triggered EU warning labels.^[2.4]
• EFSA review of Southampton findings: Found limited evidence of a small effect on activity/attention in some children, emphasizing inconsistency across mixtures and age groups.^[2.5]
• OEHHA review (2021): Of 25 clinical trials reviewed, 64% found positive associations between dyes and behavioral outcomes; 52% showed statistically significant effects.^[2.3]
• Individual sensitivity: Not all children are affected equally. Some appear more sensitive than others, but there is no way to predict which children will be affected.^[2.10]

Food Dye Side Effects

Reported food dye side effects include:

• Hyperactivity and attention problems (especially in children)^[2.1]
• Restlessness and irritability^[2.8]
• Sleep disturbances^[2.9]
• Allergic reactions^[4.2]

How long does food dye stay in your system? Most synthetic food dyes are largely excreted within hours to days.^[9.9] However, some research suggests cumulative effects may occur with repeated exposure, particularly during childhood development.^[2.11]

Artificial Food Dyes List: The 9 FDA-Certified Synthetic Food Dyes

There are currently nine FDA-certified artificial food dyes (also called FD&C colors). These synthetic food dyes require batch certification and are petroleum-based:^[9.4]

Food Dyes to Avoid: Which Food Dyes Are Bad?

Based on current evidence and regulatory status, here is a list of food dyes to avoid, ranked by concern level:

Banned or Harmful Food Dyes (Highest Concern)

• Red No. 3 (Erythrosine): BANNED. Caused thyroid tumors in animals.^[3.1] Check labels—some products may still contain it until January 2027.
• Citrus Red No. 2: WHO/JECFA flags as "NOT TO BE USED" with carcinogenic activity.^[3.2] IARC monograph reports bladder tumors in rodents.^[3.3] Revocation pending.

Worst Food Dyes (High Concern)

• Red No. 40: Most consumed dye.^[9.8] Strongest behavioral evidence. EU requires warning labels.^[7.1]
• Yellow No. 5 (Tartrazine): Behavioral effects, genotoxicity concerns, allergy potential.^[5.4][4.3] EU warning required.
• Yellow No. 6: Behavioral effects documented.^[5.7] EU warning required.

Other Dyes in Food to Watch

• Blue No. 1: Included in OEHHA assessment. Some evidence of neurobehavioral effects.^[5.8]
• Blue No. 2: Less studied but part of phase-out plan.^[5.11]
• Green No. 3: Low toxicity according to JECFA, but not authorized in EU.^[5.12]

Red Food Dye: Red 40 and Red 3 Explained

What Is Red 40? (Allura Red, FD&C Red No. 40, E129)

Red 40 is the most widely consumed red food dye in the United States.^[9.8] It is a petroleum-based azo dye found in candy, beverages, cereals, and countless processed foods.

Red 40 International Status

• U.S.: Allowed under 21 CFR §74.340. Voluntary phase-out by end of 2027.^[11.5]
• EU: Authorized as E129 with mandatory warning: "may have an adverse effect on activity and attention in children."^[7.1]
• UK: Authorized under E-number system with warning label required.
• Canada: Permitted on List of Permitted Food Colours.
• Japan: Listed as designated food additive ("Food Red No. 40").

Is There a Red Food Dye Ban?

The red food dye ban applies to Red No. 3, not Red 40. Red 40 is targeted for voluntary phase-out but is not currently banned. However, the EU requires warning labels on products containing Red 40.^[7.1]

What Is Red Food Dye Made Of?

Red 40 is made from petroleum. It is a synthetic azo dye derived from crude oil.^[9.1] It contains trace contaminants including benzene (a known carcinogen) and p-Cresidine.^[9.3] This is not the same as natural red food dye, which comes from sources like beets, cochineal, or paprika.

Red 40 Side Effects

Red food dye side effects documented in research include: hyperactivity in children, attention problems, restlessness, sleep disturbances, and allergic reactions.^[5.1] Brain imaging studies have observed prefrontal cortex effects in animals.^[5.3]

What Newer Research Shows (Red 40): A widely cited 2023 animal study reported DNA damage signals, microbiome changes, and colonic inflammation outcomes in an experimental model, positioning Red 40 as a candidate for further gut/colon mechanistic research.^[5.1] A 2022 study in Nature Communications found that chronic Red 40 exposure promotes susceptibility to colitis via intestinal serotonin pathways.^[5.1b] A 2024 review surveying synthetic color safety concerns notes that evidence across dyes is mixed and endpoint-dependent (behavioral, allergic-type reactions, oxidative stress). These findings are hypothesis-generating and are not the same as demonstrating harm in humans at typical dietary exposures.^[5.2]

What Is Red 3? (Erythrosine, E127) — BANNED

The FDA banned Red No. 3 (also called Red 3 food dye or Erythrosine) in January 2025.^[1.1] This red food dye was used in maraschino cherries, candies, cake decorating gels, and some medications.

Red 3 International Status

• U.S.: REVOKED January 2025 (21 CFR §74.303).^[11.4]
• EU: Authorized as E127 (Erythrosine)—still permitted.
• UK: Authorized under E-number system.
• Canada: Permitted.
• Japan: Listed as designated food additive ("Food Red No. 3").

Note: The U.S. banned Red No. 3 in January 2025, becoming the only major jurisdiction with a comprehensive ban, though the EU has severely restricted its use for decades. The Delaney Clause—which prohibits any additive shown to cause cancer in animals—required FDA action. Other countries use risk-based frameworks that consider dose and human relevance. The FDA posted a dedicated explanation page (January 2025) summarizing the rodent cancer finding and mechanism context.^[7.7]

What Food Has Red Dye 3?

The red dye 3 food list includes: maraschino cherries, certain candies, cake decorating gels, candy corn, conversation hearts, popsicles, and some medications and dietary supplements.^[10.1] Check labels—food with Red Dye 3 must be reformulated by January 2027.

What Red Food Dye Is Banned?

Red No. 3 (Erythrosine) is the banned red food dye. Red 40 is not banned but is targeted for phase-out. Red food dye banned in the US refers specifically to Red 3.

Yellow Food Dye: Yellow 5 and Yellow 6

What Is Yellow 5? (Tartrazine, FD&C Yellow No. 5, E102)

Yellow 5 food dye (Tartrazine) is the second most consumed synthetic dye. It's found in mustard, pickles, soft drinks, chips, popcorn, cereals, and medications.

Yellow 5 International Status

• U.S.: Allowed under 21 CFR §74.705.^[11.6]
• EU: Authorized as E102 with mandatory warning label.^[7.1]
• Canada: Permitted. Regulations require "Tartrazine" to be named on labels due to allergy potential.^[7.5]
• Japan: Handled via designated additive framework.

Yellow food dye side effects: Studies have linked Yellow 5 to hyperactivity, irritability, sleep disturbances, and allergic reactions (especially in people with aspirin sensitivity).^[4.3] Some research shows genotoxic effects and brain structure changes in animals.^[5.5][5.6]

What Newer Research Shows (Yellow 5): A 2025 peer-reviewed review (PubMed-indexed) summarizes experimental and human-correlation literature, highlighting reported signals across neurobehavioral, oxidative stress, and organ-toxicity endpoints in experimental settings. The most policy-relevant human evidence remains the body of child behavioral trials that often evaluate dye mixtures rather than Tartrazine in isolation.^[5.4]

What Is Yellow 6? (Sunset Yellow, FD&C Yellow No. 6, E110)

Yellow 6 food dye (Sunset Yellow) is common in candy, sauces, baked goods.

Yellow 6 International Status

• U.S.: Allowed under 21 CFR §74.706.^[11.7]
• EU: Authorized as E110 with mandatory warning label.^[7.1]
• Canada: Permitted.
• Japan: Handled via designated additive framework.

What Newer Research Shows (Yellow 6): A 2024 review reports concern signals at or around ADI-level exposures in experimental settings, including oxidative damage in brain tissue. Human behavioral findings—when present—are most often observed in controlled trials using mixtures of colors (and sometimes sodium benzoate), not Sunset Yellow alone.^[5.7]

Yellow dye in food like this requires EU warning labels. Effects are similar to Yellow 5—primarily behavioral concerns in children.

Blue Food Dye and Green Food Dye

What Is Blue 1 Food Dye? (Brilliant Blue, E133)

Blue 1 food dye (also called blue dye in food or by its blue food dye name Brilliant Blue FCF) is used in beverages, candy, ice cream, and packaged foods. It's the most common blue food dye.

Blue 1 International Status

• U.S.: Allowed under 21 CFR §74.101.^[11.1]
• EU: Authorized as E133 (no warning label required—not in Southampton study).
• Canada: Permitted.
• Japan: Listed as designated food additive ("Food Blue No. 1").

Blue food dye side effects: Blue 1 was included in OEHHA's assessment for neurobehavioral effects. Animal research links it to developmental delays and nerve cell inhibition.^[5.8] 

What Newer Research Shows (Blue 1): A 2025 paper reports lasting shifts in gut microbiota structure and function after exposure in an experimental model (important as emerging research, not as settled human harm).^[5.9] A 2021 review surveyed natural vs. synthetic blue dyes and health effects. It found that natural blue dyes like anthocyanins and genipin offer health benefits including antioxidant, anti-inflammatory, anticancer, and neuroprotective properties, while synthetic blue dyes like Blue No. 1 and No. 2 may have toxic effects including potential neurotoxicity and carcinogenicity. The authors concluded that synthetic blue food colorants should be replaced with natural alternatives due to safety concerns.^[5.10]

What Is Blue 2 Food Dye? (Indigotine, E132)

Blue 2 food dye (Indigotine) is found in candy, ice cream, cereal. It is authorized in the U.S. (21 CFR §74.102), EU (E132), UK, Canada, and Japan.^[11.2] It is less studied than Blue 1 but included in phase-out plans.

Research context: OEHHA's assessment summarizes neurobehavioral endpoints for Blue 2. Older long-term rodent feeding studies report no consistent adverse effects in mouse carcinogenicity studies at tested levels. A 2024 review in Chemosphere addresses dye metabolism pathways and neurotoxicity mechanisms. It found evidence that dyes can impact brain function and neurological health through multiple mechanisms including oxidative stress, neurotransmitter imbalances, mitochondrial dysfunction, and inflammatory responses. The authors emphasized the need for continued research to fully understand these neurotoxic processes^[5.11][5.13]

What Is Green 3 Food Dye? (Fast Green FCF)

Green 3 food dye (also called green food dye or Fast Green) has limited use in the US.

Green 3 International Status

• U.S.: Allowed under 21 CFR §74.203.^[11.3]
• EU: NOT AUTHORIZED (absent from EU positive list—no application submitted).^[7.3]
• UK: NOT AUTHORIZED (EU-derived positive list).
• Canada: Permitted.
• Japan: Listed as designated food additive ("Food Green No. 3").

Important distinction: Green 3 is not authorized in the EU/UK—not necessarily because of safety concerns, but because no authorization application was submitted under their positive-list system. "Not authorized" does not equal "banned." JECFA concluded it has low toxicity.^[5.12]

Orange B and Citrus Red No. 2: Restricted-Use Dyes

What Is Orange B?

Orange B is a restricted-use dye permitted only for sausage casings in the U.S. under 21 CFR §74.250.^[11.8] It is not authorized in the EU, the UK, Canada, or Japan.

Why data coverage appears thin: Modern peer-reviewed toxicology is limited partly because the dye is largely abandoned commercially. The FDA initiated revocation proceedings in April 2025.^[1.4]

What Is Citrus Red No. 2?

Citrus Red No. 2 is restricted to coloring orange peels only (2 ppm limit) under 21 CFR §74.302.^[11.9] It is not authorized in the EU, the UK, or Japan. Canada permits it only for skins of whole oranges.

Health concerns: 

• WHO/JECFA: Database entry flags Citrus Red No. 2 with "NOT TO BE USED" and notes carcinogenic activity/inadequate data for establishing a safe limit.^[3.2]
• IARC: Monograph summary reports animal carcinogenicity findings, including bladder tumors in rodents.^[3.3]
• FDA action: Initiated revocation proceedings in April 2025.^[1.4]

How Do Other Countries Regulate Food Dyes? US vs. EU, UK, Canada, and Japan

One of the most striking aspects of food dye regulation is how differently major countries approach the same substances. The same dye may be freely permitted in one country, require warning labels in another, and be absent from the approved list in a third.

Understanding Different Regulatory Systems

Countries use fundamentally different approaches to regulating food dyes:

• U.S. (FDA): Color additives require pre-market approval under 21 CFR Part 74 (certified/synthetic) or Part 73 (exempt/natural). Once approved, dyes remain permitted unless specifically revoked.
• EU: Positive-list system under Regulation (EC) 1333/2008. A colour must appear on the Union list to be authorized. Absence from the list = not permitted. Six dyes require mandatory warning labels.^[7.1]
• UK: Uses EU-derived E-number framework. Post-Brexit, Northern Ireland follows EU rules while Great Britain may diverge (as seen with titanium dioxide).
• Canada: Binding List of Permitted Food Colours. Generally aligns with U.S. but with some differences (e.g., Orange B not permitted).^[7.5]
• Japan: Designated Food Additives under the Food Sanitation Act. Uses naming system like "Food Red No. 40."^[7.6]

What Food Dyes Are Banned in Europe?

In the EU positive-list system, "not authorized" is different from "banned":^[7.4]

• Titanium dioxide (E171): WITHDRAWN—subject to a formal legal removal from the authorized list in August 2022 following EFSA's conclusion that genotoxicity could not be ruled out.^[6.2]
• Green No. 3, Orange B, Citrus Red No. 2: NOT AUTHORIZED—absent from EU positive list, but not formally "banned."^[7.3]
• Red 40, Yellow 5, Yellow 6, Red 3: AUTHORIZED but with warning labels required for the first three.^[7.1]

Food Dyes Banned in Other Countries: The Complete Picture

The following table shows regulatory status across all five major jurisdictions:

The Titanium Dioxide Divergence: A Case Study

Titanium dioxide (E171) illustrates how the same evidence can produce opposite regulatory conclusions:

• EFSA (EU): Concluded in 2021 that "a concern for genotoxicity cannot be ruled out" and titanium dioxide "can no longer be considered safe." It has not been permitted since August 2022.^[6.1][6.2]
• FDA (U.S.): Maintains titanium dioxide is safe. Listed under 21 CFR §73.575.^[6.3]
• Health Canada: Reviewed EFSA findings, concluded titanium dioxide remains safe for food use.^[6.4]
• UK: Northern Ireland follows EU rules (not permitted since August 2022). Great Britain concluded genotoxicity risk is low at dietary levels.^[6.5]

The fundamental disagreement: EFSA applied precautionary reasoning—if safety cannot be established, do not permit. Other agencies applied risk-based reasoning—if harm is not demonstrated at realistic exposure levels, continue permitting.

What the Research on Titanium Dioxide Shows: A 2019 paper found that food-grade titanium dioxide (TiO2) consumption minimally altered gut microbiota composition but significantly disrupted gut homeostasis by reducing mucus production. These disruptions to gut health after just a few weeks of TiO2 exposure suggest that chronic consumption may predispose individuals to inflammatory bowel diseases and colorectal cancer.^[6.6] A 2025 study on food-grade titanium dioxide explicitly investigated associations with gut microbiome, intestinal permeability, and gut inflammation in adults. It found that in healthy young adults, higher levels of titanium dioxide in stool were linked to changes in gut bacteria composition, but showed no signs of gut inflammation or damage to the intestinal barrier. Essentially, TiO2 appears to shift which bacteria live in the gut, but doesn't seem to cause harm in otherwise healthy people.^[6.7]

What Do EU Warning Labels Say?

Six dyes in the EU require this warning on labels: "may have an adverse effect on activity and attention in children."^[7.1]

The dyes requiring this warning are: E102 (Yellow 5/Tartrazine), E104 (Quinoline Yellow—not used in U.S.), E110 (Yellow 6/Sunset Yellow), E122 (Carmoisine—not used in U.S.), E124 (Ponceau 4R—not used in U.S.), and E129 (Red 40/Allura Red).^[7.2]

The practical result: Most European food manufacturers reformulated products to avoid printing warning labels.^[7.8] European consumers often eat the same brands as American consumers, but without synthetic dyes. Same companies, same products, different formulations.^[7.9]

Natural Food Dyes: Dye-Free Food Coloring and Alternatives

Looking for natural food dye alternatives or dye-free food coloring? Here are the main options:

Natural Food Dyes for Baking and Frosting

• Natural red food dye: Beet juice/powder, pomegranate, cochineal (carmine dye in food from insects)^[9.7]
• Natural yellow food dye: Turmeric, saffron
• Natural orange food dye: Paprika, annatto (achiote)
• Natural blue food dye / Natural blue dye for food: Spirulina extract, butterfly pea flower, Galdieria extract
• Natural green food dye / Natural green dye for food: Chlorophyll, spinach powder, matcha
• Natural pink food dye: Beet juice, raspberry
• Natural black food dye: Activated charcoal, squid ink
• Brown food dye: Caramel color (most widely used coloring globally)

Where to Find Dye-Free Food Coloring

Several brands offer dye-free food coloring made from natural sources:

• Watkins dye-free food coloring: Popular option using plant-based colors
• India Tree: Natural food dye powder and liquids
• Color Kitchen: Plant-based food coloring
• Organic food dye: Look for USDA Organic certification

For best dye-free food coloring results, note that natural dyes may produce less vibrant colors than synthetic alternatives.^[9.10] Natural food dyes for frosting work well but may require higher concentrations.

Dye-Free Food: Finding Food Without Dyes

How to Find Dye-Free Food

• Look for "no artificial colors" labels
• Check ingredients for absence of FD&C colors, Red 40, Yellow 5, etc.
• European versions of American products are often already dye-free^[7.9]
• Whole foods (fruits, vegetables, meats) naturally contain no added dyes

Companies Eliminating Food Dyes: Walmart, Kellogg's, and More

Is Walmart eliminating food dyes? Yes. Walmart is removing food dyes from Member's Mark and private label products by January 2027.^[8.1] Other companies reformulating:

• General Mills: All US cereals and K-12 school foods by summer 2026; full portfolio by end of 2027^[8.2]
• Kellogg's: Froot Loops, Apple Jacks by end of 2027^[8.3]
• Hershey's: Jolly Rancher, Twizzlers, Reese's Pieces by end of 2027^[8.4]
• Mars: M&M's Chocolate, Skittles Original, Starburst, Extra Gum dye-free options starting 2026^[8.5]
• Kraft Heinz: Crystal Light, Kool-Aid, Jell-O, MiO, Jet-Puffed by end of 2027^[8.6]
• Nestlé USA: Full portfolio by mid-2026^[8.7]
• PepsiCo: Lay's and Tostitos by end of 2025; Doritos and Cheetos "Simply NKD" options without artificial colors^[8.8]

Food Dye Names: How to Read Labels

What Are Food Dye Numbers and Names?

Food dye names appear on labels in several formats:

• FD&C format: "FD&C Red No. 40" — indicates certified synthetic color
• Common name: "Red 40" or "Yellow 5"
• Chemical name: "Allura Red AC" or "Tartrazine"
• E-numbers: European system (E129, E102, etc.)

Food Dye Color Chart: E-Numbers and Equivalents

• E102 = Yellow 5 (Tartrazine)
• E110 = Yellow 6 (Sunset Yellow)
• E127 = Red 3 (Erythrosine) — BANNED IN U.S.
• E129 = Red 40 (Allura Red)
• E132 = Blue 2 (Indigotine)
• E133 = Blue 1 (Brilliant Blue)
• E171 = Titanium dioxide — WITHDRAWN IN EU

Frequently Asked Questions About Food Dyes

Is food dye bad for you?

Synthetic food dyes provide zero nutritional benefit while research links them to behavioral effects in children, potential allergic reactions, and other health concerns. Whether food dye is bad for you depends on individual sensitivity, but there is no health benefit to consuming them.

Is food dye banned in the US?

Partially. Red No. 3 is banned. Six other dyes are targeted for voluntary phase-out by 2027. The US bans food dyes selectively, unlike some countries that require warning labels on all synthetic dyes.

Is the US banning food dyes?

Yes, progressively. The FDA is banning food dyes through revocations (Red 3, Orange B, Citrus Red 2) and working with the food industry on voluntary elimination of six additional dyes. The US banning food dyes is a multi-year process expected to be largely complete by the end of 2027.

What food dyes are banned in the US?

Currently, Red No. 3 is the only fully banned food dye. Food dyes expected to be banned in the US also include Orange B and Citrus Red No. 2 (revocation pending). The list of food dyes banned in Europe is different—the EU has withdrawn titanium dioxide but still permits Red 3.

What food dyes are bad for you?

Based on current evidence and regulatory assessments, the worst food dyes are: Red 3 (banned—caused tumors in animals), Red 40 (possible behavioral effects), Yellow 5 (behavioral, genotoxicity concerns), Yellow 6 (possible behavioral effects), and Citrus Red 2 (carcinogenic). 

Are food dyes banned in Europe?

Most U.S. synthetic dyes are authorized in the EU but with warning labels for six of them. Green 3, Orange B, and Citrus Red 2 are not authorized (absent from positive list). Titanium dioxide was formally withdrawn in 2022. The EU uses a positive-list system where "not authorized" differs from "banned."

What is food dye?

Food dye is any substance added to food to change its color. What are food dyes made of? Synthetic dyes are petroleum-based; natural dyes come from plants, minerals, or insects. What food dye is made of specifically depends on the type (e.g., Red 40 is made from petroleum, while carmine is made from insects).

Where does red food dye come from? / What is red food dye made out of?

Synthetic red food dye (Red 40, Red No. 3) is made from petroleum. How is red food dye made? Through chemical synthesis from crude oil derivatives. Natural red food dye alternatives include beet juice, cochineal (red food dye made from bugs/insects), and pomegranate.

What food dye is made from bugs?

Carmine (also called cochineal food dye) is the food dye made from bugs—specifically from cochineal insects. This is a natural red food dye alternative to petroleum-based Red 40. Red food dye bugs refers to this cochineal-derived colorant.

Is food dye safe for dogs? / Dye-free dog food

Food dyes provide no benefit to dogs and may cause similar reactions as in humans. Dog food without red dye and other dye-free dog food options are available from many pet food brands.^[10.3]

Does food dye expire?

Yes, food dye can degrade over time, though synthetic dyes are generally stable for years when stored properly. Natural food dyes typically have shorter shelf lives.^[9.10]

How to get food dye off your hands / How to get food dye off skin

To remove food dye from skin: wash with soap and water immediately, use baking soda paste, or apply lemon juice/vinegar. How do you remove food dye that has set from skin? Try rubbing alcohol or nail polish remover.

Does food dye stain clothes? / How to get food dye out of clothes

Yes, food dye can stain clothes. Does food dye come out of clothes? Usually yes, with prompt treatment. How to get red food dye out of clothes: rinse with cold water immediately, apply stain remover, and wash. Does food dye stain clothes permanently? Not usually if treated quickly.

When does the food dye ban start?

The Red 3 ban is already in effect (revoked January 2025). Foods must comply by January 2027. The voluntary phase-out of other dyes targets the end of 2027. When will food dyes be banned completely? The timeline depends on industry compliance and potential future FDA action.

Summary: What You Need to Know About Food Dyes

• Food dyes provide zero nutritional benefit—they change appearance only
• The FDA banned Red No. 3 and is working to phase out six additional dyes^[1.1][1.3]
• Research links synthetic food dyes to behavioral effects in children^[2.1]
• The EU requires warning labels; the U.S. does not (yet)^[7.1]
• Different countries regulate the same dyes differently—Green 3 is allowed in U.S./Japan but not EU/UK^[11.3]
• Natural food dye alternatives exist for all synthetic colors
• Major companies are reformulating products to be dye-free by 2026-2027^[8.1][8.2]

The direction is clear: synthetic petroleum-based food dyes are on their way out of the American food supply.

This document is provided for educational and informational purposes.

Citations and References

All claims in this document are mapped to the Reference Appendix for policymaker verification. Citation numbers correspond to the appendix claim numbers.

Section 1: Regulatory Status (Federal and State)

^[1.1] 90 Fed. Reg. 4628 (January 16, 2025). FDA Final Rule revoking FD&C Red No. 3.

^[1.2] 90 Fed. Reg. 4628. Compliance dates: Food Jan 15, 2027; Drugs Jan 18, 2028.

^[1.3] FDA Press Release, April 22, 2025. "HHS, FDA to Phase Out Petroleum-Based Synthetic Dyes in Food."

^[1.4] FDA Press Release, April 22, 2025. Revocation proceedings for Orange B and Citrus Red No. 2.

^[1.5] HHS/FDA Joint Press Release, April 2025. 

^[1.6] West Virginia H.B. 2354, 2025 Regular Session.

^[1.7] U.S. District Court, S.D. W.Va., Civil Action No. 2:25-cv-00588. Preliminary injunction granted December 23, 2025.

^[1.8] California AB 2316, signed September 30, 2024. Effective December 31, 2027.

^[1.9] Virginia S.B. 1289, enacted March 2025.

^[1.10] Texas S.B. 25, signed June 2025. Warning labels effective January 2027.

Section 2: Health Effects — Behavioral/Neurodevelopmental

^[2.1] California OEHHA. Potential Neurobehavioral Effects of Synthetic Food Dyes in Children. April 2021.

^[2.2] California OEHHA. Potential Neurobehavioral Effects of Synthetic Food Dyes in Children. April 2021.

^[2.3] California OEHHA. Potential Neurobehavioral Effects of Synthetic Food Dyes in Children. April 2021.

^[2.4] McCann D, et al. Lancet. 2007;370(9598):1560-1567. 

^[2.5] FDA FAC Background Document, March 30-31, 2011.

^[2.6] Miller MD, et al. Environmental Health. 2022;21(1):45. PMID: 35484553.

^[2.7] Nigg JT, et al. J Am Acad Child Adolesc Psychiatry. 2012;51(1):86-97. 

^[2.8-2.9] Rowe KS & Rowe KJ. J Pediatr. 1994;125(5 Pt 1):691-8. PMID: 7965420.

^[2.10] Nigg JT, et al. J Am Acad Child Adolesc Psychiatry. 2012;51(1):86-97.

^[2.11] California OEHHA. Potential Neurobehavioral Effects of Synthetic Food Dyes in Children. April 2021.

Section 3: Carcinogenicity

^[3.1] Borzelleca JF, et al. Food Chem Toxicol. 1987;25(10):723-33. PMID: 2824305.

^[3.2] WHO/JECFA. Citrus Red No. 2 Summary.

^[3.3] IARC. Citrus Red No. 2 Monograph. 

^[3.4] California OEHHA. Potential Neurobehavioral Effects of Synthetic Food Dyes in Children. April 2021.

Section 4: Allergic Reactions

^[4.1-4.2] Simon R.A. Curr Allergy Asthma Rep. 2003 Jan;3(1):62–66. PMID: 12542996

^[4.3] Dipalma JR. Am Fam Physician. 1990 Nov;42(5):1347–1350. PMID: 2239641 

Rowe KS, Rowe KJ. J Pediatr. 1994 Nov;125(5 Pt 1):691–698. PMID: 7965420.

Section 5: Mechanistic/Gut/Oxidative Stress

^[5.1] Zhang Q, et al. Toxicol Rep. 2023;11:221-232. PMID: 37719200.

^[5.1b] Kwon YH, et al. Nature Communications. 2022;13(1):7617.

^[5.2] Amchova P, et al. Toxics. 2024;12(7):466. PMID: 39058118.

^[5.3] Noorafshan A, et al. Acta Histochem. 2018;120(6):586-594. PMID: 30031538.

^[5.4] Visternicu M, et al. Toxics. 2025 Sep 12;13(9):771. PMID: 41012392.

^[5.5-5.6] Rafati A, et al. Acta Histochem. 2017 Mar;119(2):172–180. PMID: 28126192..

^[5.7] Bhatt D, et al. Acta Histochem. 2024;126(3):152145. PMID: 38489857.

^[5.8] California OEHHA. Potential Neurobehavioral Effects of Synthetic Food Dyes in Children. April 2021

^[5.9] Castañeda-Monsalve V, et al. ISME Commun. 2025;5(1):ycaf050.

^[5.10] Olas B, et al. Adv Nutr. 2021 Jul 9;12(6):2301–2311. PMID: 34245145; PMCID: PMC8634323.

^[5.11] California OEHHA. Potential Neurobehavioral Effects of Synthetic Food Dyes in Children. April 2021

^[5.12] WHO/JECFA Green 3 (Fast Green FCF) evaluation.

^[5.13] Damotharan K, et al. Chemosphere. 2024;364:143295. PMID: 39260596.

Section 6: Titanium Dioxide

^[6.1] EFSA Journal. 2021;19(5):6585. Titanium dioxide safety assessment.

^[6.2] Commission Regulation (EU) 2022/63. E171 withdrawn August 2022.

^[6.3] 21 C.F.R. § 73.575. 

^[6.4] Health Canada. Titanium Dioxide Science Report. June 2022.

^[6.5] UK FSA statement on titanium dioxide.

^[6.6] Pinget G, et al. Front Nutr. 2019;6:57.

^[6.7] 2025 TiO2 human gut study (ScienceDirect).

Section 7: International Regulatory Comparisons

^[7.1-7.2] Regulation (EC) No 1333/2008. Annex V. EU warning label requirements.

^[7.3-7.4] EU positive list framework explained.

^[7.5] Health Canada. List of Permitted Colouring Agents. Tartrazine labeling.

^[7.6] Japan FFCR. Designated Food Additives list.

^[7.7] FDA. FD&C Red No. 3 information page.

^[7.8-7.9] CSPI. Why are there no EU-style warning labels in the US?

Section 8: Company Reformulation Commitments

^[8.1] Walmart Corporate Press Release, October 1, 2025.

^[8.2] General Mills Press Release, June 17, 2025.

^[8.3] Texas Attorney General Press Release, August 13, 2025. Kellogg's AVC.

^[8.4] Hershey Company Statement, July 2025.

^[8.5] Mars Wrigley Press Release, July 24, 2025.

^[8.6] Kraft Heinz Press Release, June 17, 2025.

^[8.7] Nestlé USA Press Release, June 25, 2025.

^[8.8] PepsiCo Earnings Call, April 24, 2025.

Section 9: Technical/Definitional

^[9.1] CSPI. Food Dyes: A Rainbow of Risks. 

^[9.2] FDA. Color Additives History.

^[9.3] Cleveland Clinic. Red Dye 40: Does It Cause Health Problems? Cleveland Clinic Health Essentials.

^[9.4] 21 C.F.R. Part 74, Subpart A. 

^[9.5] FD&C Act Section 721; 21 C.F.R. Part 80. 

^[9.6] 21 C.F.R. Part 73. 

^[9.7] 21 C.F.R. § 73.100. 

^[9.8] Dunford, J, et al. J Acad Nutr Diet. 2025 Sep;125(9):1207-1217.e9. doi: 10.1016/j.jand.2025.05.007. 

^[9.9] Levine WG. Drug Metab Rev. 1991;23(3-4):253–309. PMID: 1935573

^[9.10] Boyles C, Schmidtke & Sobeck SJ. Food Chemistry. 2020;315:126249

Section 10: Product-Specific

^[10.1] Newsweek. Full List of Foods, Drinks That Contain Red Dye 3 After FDA Bans Additive

^[10.2] Healthline. Red Dye 3: Why Was It Banned?

^[10.3] Petfood Industry. FDA Ban on Red Dye No. 3 to Have Minimal Impact on Pet Food Industry.

Section 11: Individual Dye Regulatory Status

^[11.1] Blue No. 1: 21 C.F.R. § 74.101; EU E133

^[11.2] Blue No. 2: 21 C.F.R. § 74.102; EU E132 

^[11.3] Green No. 3: 21 C.F.R. § 74.203

^[11.4] Red No. 3: 21 C.F.R. § 74.303; EU E127 

^[11.5] Red No. 40: 21 C.F.R. § 74.340; EU E129 

^[11.6] Yellow No. 5: 21 C.F.R. § 74.705; EU E102 

^[11.7] Yellow No. 6: 21 C.F.R. § 74.706; EU E110 

^[11.8] 21 C.F.R. § 74.250. Orange B.

^[11.9] No. 2: 21 C.F.R. § 74.302. Citrus Red.