Red 40 (Allura Red AC) vs Red 3 (Erythrosine) — Which Is Worse?

FactorRed 40 (Allura Red AC)Red 3 (Erythrosine)
E-NumberE129E127
CategoryArtificial ColorArtificial Color
SeverityModerate Risk (6/10)Moderate Risk (6/10)
FDA StatusFDA-approved since 1971. Currently under review as part of the 2025-2026 FDA food dye reassessment. Listed on the FDA's …FDA banned Red 3 from cosmetics and external drugs in 1990 due to thyroid cancer evidence in rats. It remained legal in …
EFSA StatusEFSA re-evaluated in 2009 and maintained approval with an ADI of 7 mg/kg body weight/day. EU requires warning label: 'ma…EFSA approved with an ADI of 0.1 mg/kg body weight/day — one of the lowest ADIs for any food dye. Under ongoing review a…
Banned In——
Products Found284

Key Differences

Health Concerns Comparison

Red 40 (Allura Red AC)

Red 3 (Erythrosine)

Which Products Use Each?

28
products contain Red 40 (Allura Red AC)
4
products contain Red 3 (Erythrosine)

⚖️ The Verdict

Both Red 40 (Allura Red AC) and Red 3 (Erythrosine) have the same severity score (6/10). Neither is clearly worse than the other based on current data.

Both ingredients should be consumed mindfully. Use CheckIt AI to scan products and avoid whichever ones concern you most.

Frequently Asked Questions

Is Red 40 (Allura Red AC) or Red 3 (Erythrosine) worse?
Both Red 40 (Allura Red AC) and Red 3 (Erythrosine) have the same severity score (6/10). Neither is clearly worse based on available data.
What is the difference between Red 40 (Allura Red AC) and Red 3 (Erythrosine)?
Both are artificial colors. Red 40 (Allura Red AC) has a severity of 6/10 and is found in 28 products. Red 3 (Erythrosine) has a severity of 6/10 and is found in 4 products.
Are Red 40 (Allura Red AC) and Red 3 (Erythrosine) banned?
Red 40 (Allura Red AC) is not currently banned in any major market. Red 3 (Erythrosine) is not currently banned in any major market.
How can I avoid both Red 40 (Allura Red AC) and Red 3 (Erythrosine)?
Download CheckIt AI and scan any product's barcode or ingredient label. The app will flag both Red 40 (Allura Red AC) and Red 3 (Erythrosine) and suggest safer alternatives.
📬

Get Your Free Weekly Clean Food Guide

Join health-conscious shoppers. Every week: worst products to avoid, cleanest new finds, and FDA recall alerts.

No spam. Unsubscribe anytime.

Scan Products for Red 40 (Allura Red AC) or Red 3 (Erythrosine)

Point your camera at any food label and instantly know if it contains either ingredient.

Download CheckIt AI — Scan Free →

Related Pages

Related Comparisons

Red 40 (Allura Red AC) vs Yellow 5 (Tartrazine)Red 40 (Allura Red AC) vs Yellow 6 (Sunset Yellow FCF)Red 40 (Allura Red AC) vs Blue 1 (Brilliant Blue FCF)Red 40 (Allura Red AC) vs Caramel Color (4-MEI)Red 40 (Allura Red AC) vs Titanium DioxideRed 40 (Allura Red AC) vs AnnattoYellow 5 (Tartrazine) vs Red 3 (Erythrosine)Yellow 6 (Sunset Yellow FCF) vs Red 3 (Erythrosine)Red 3 (Erythrosine) vs Blue 1 (Brilliant Blue FCF)Red 3 (Erythrosine) vs Caramel Color (4-MEI)Red 3 (Erythrosine) vs Titanium DioxideRed 3 (Erythrosine) vs Annatto
Red 40 (Allura Red AC) Deep Dive Red 3 (Erythrosine) Deep Dive All 180 Comparisons All Ingredients Ingredients Banned in Europe Scoring Methodology

⚕️ This comparison is for educational purposes only. It is not medical advice. Consult a healthcare professional for personalized dietary guidance.

Scanner Apps

Gluten Scanner AppDairy Scanner AppSeed Oil Scanner AppPeanut Allergy Scanner AppADHD Food Scanner AppIBS Food Scanner AppPregnancy Food Scanner AppCarnivore Diet Scanner AppKeto Scanner AppPaleo Scanner AppVegan Scanner AppCeliac Scanner AppMigraine Food Scanner AppKidney Diet Scanner AppCrohn's Food Scanner AppThyroid Scanner AppPCOS Food Scanner AppGout Food Scanner AppEczema Food Scanner AppToddler Food Scanner AppHeart Health Scanner AppAthlete Nutrition Scanner AppAcne Food Scanner AppFODMAP Scanner AppAIP Scanner AppMold Toxin Scanner AppHistamine Scanner AppOxalate Scanner AppNightshade Scanner AppSoy Scanner AppCorn Scanner AppEgg Allergy Scanner AppTree Nut Scanner AppShellfish Allergy Scanner AppSulfite Scanner AppSalicylate Scanner AppLectin Scanner AppSugar-Free Scanner AppLow Sodium Scanner AppMediterranean Diet Scanner AppWhole30 Scanner AppDiabetic Food Scanner AppColitis Food Scanner AppIC Food Scanner AppLupus Food Scanner AppHashimoto's Scanner AppEndometriosis Food Scanner AppAutoimmune Food Scanner AppBaby Formula Scanner AppPet Food Scanner AppSenior Nutrition Scanner AppOzempic Food Scanner AppWegovy Food Scanner AppMounjaro Food Scanner AppUltra-Processed Food ScannerHalal Food Scanner AppKosher Food Scanner AppAnti-Inflammatory Scanner AppCandida Diet Scanner AppSIBO Food Scanner AppLeaky Gut Scanner AppCholesterol Food Scanner AppBlood Pressure Scanner AppWeight Loss Food Scanner AppPesticide Food Scanner AppHeavy Metal Scanner AppPFAS Food Scanner AppBreastfeeding Food Scanner AppAutism Food Scanner AppFertility Food Scanner AppGAPS Diet Scanner AppElimination Diet Scanner AppLow Carb Scanner AppNanny Food Scanner AppGrocery Store Scanner AppFood Allergy Scanner AppDye-Free Food Scanner AppMuscle Building Scanner AppMarathon Runner Scanner AppKids Food Scanner AppFood Sensitivity Scanner AppClean Label Scanner AppFSA/HSA Food Scanner AppWhole Food Scanner AppDog Food Scanner AppCat Food Scanner App

Ingredient Safety

Red 40Yellow 5Yellow 6AspartameBHABHTSodium NitriteCarrageenanSucraloseTitanium DioxidePotassium BromateHigh Fructose Corn SyrupMSGSodium BenzoateTBHQPolysorbate 80Red 3Caramel ColorSoy LecithinNatural FlavorsAcesulfame-KMaltodextrinXanthan GumGuar GumCitric AcidErythritolBlue 1Propyl GallateMono & DiglyceridesPectinAcacia GumAgarAnnattoAutolyzed YeastAzodicarbonamideBVOCalcium PropionateCarnauba WaxCelluloseDATEMDisodium InosinateGellan GumKonjacLocust Bean GumMethylcelluloseSodium AlginateSodium Aluminum PhosphateTragacanth Gum

Food Safety Answers

Is Red 40 Banned in Europe?What Foods Have Seed Oils?Is Carrageenan Safe?Worst Food AdditivesIs BHA Safe?Does Gatorade Have Food Dye?Titanium Dioxide in FoodIs Aspartame Safe?Is Sodium Nitrite Dangerous?Is MSG Bad for You?What Is HFCS?Is Sucralose Safe?Food Dye Banned in Europe?Is Potassium Bromate Banned?What Is Natural Flavors?Is Soy Lecithin Bad?Is Maltodextrin Bad?Is Xanthan Gum Safe?Is Red 3 Banned?Is TBHQ Bad?Foods Banned in Other CountriesIs Citric Acid Bad?What Is Polysorbate 80?Is Caramel Color Safe?Is Palm Oil Bad?What Is Cellulose in Food?Is Acesulfame-K Safe?Is Erythritol Safe?Is Guar Gum Safe?Is Food in America Safe?Cheerios & PesticidesBest Food Scanner AppHow to Read Food LabelsIs Yellow 5 Safe?Are Preservatives Bad?Artificial Sweetener SafetyIs Canola Oil Bad?Hidden Names for SugarFoods That Cause InflammationIs Annatto Safe?Is Azodicarbonamide Safe?Is Calcium Propionate Safe?Is Carnauba Wax Safe?Is Gelatin Halal?Is Locust Bean Gum Safe?Mono & Diglycerides SafetyIs Pectin Safe?Propylene Glycol in FoodWhat Is Agar Agar?What Is BVO?What Is DATEM?What Is Sodium Alginate?What Is Sodium Benzoate?

Cleanest Rankings

Cleanest Protein BarsCleanest CerealCleanest YogurtCleanest ChipsCleanest SnacksCleanest BreadCleanest SaucesCleanest JuiceCleanest CookiesCleanest CandyCleanest Ice CreamCleanest PastaCleanest Baby FoodCleanest Energy DrinksCleanest Protein PowderCleanest Frozen MealsCleanest CondimentsCleanest SodaCleanest Pet Food

Free-From Finder

Protein Bars Without Seed OilsCereal Without Artificial ColorsSnacks Without PreservativesYogurt Without Artificial SweetenersChips Without Seed OilsCookies Without Artificial ColorsCandy Without Artificial ColorsSoda Without Artificial SweetenersFrozen Meals Without MSGBaby Food Without SugarEnergy Drinks Without SweetenersProtein Bars Without SweetenersSnacks Without Seed OilsCereal Without SugarBread Without PreservativesIce Cream Without CarrageenanPasta Without Gluten

Store Scan Results

Costco Protein Bars RankedWalmart Cereal RankedTarget Snacks RankedWhole Foods Yogurt RankedKroger Bread RankedAldi Snacks RankedCostco Snacks RankedWalmart Chips RankedTarget Cookies RankedTrader Joe's Snacks RankedWhole Foods Bread RankedWalmart Juice RankedTarget Cereal RankedWalmart Bread RankedKroger Snacks RankedAldi Cereal RankedWhole Foods Snacks RankedKroger Cereal RankedAldi Bread RankedTrader Joe's Cereal RankedCostco Bread Ranked

Ingredient Comparisons

Red 40 vs Yellow 5Red 40 vs Yellow 6Aspartame vs SucraloseAspartame vs HFCSBHA vs BHTRed 40 vs AspartameCarrageenan vs Soy LecithinSucralose vs HFCSTBHQ vs BHATBHQ vs BHTRed 40 vs Titanium DioxideRed 40 vs Caramel ColorMSG vs Natural FlavorsSodium Benzoate vs Potassium BromateYellow 5 vs Red 3Polysorbate 80 vs CarrageenanXanthan Gum vs Guar GumRed 40 vs Red 3Erythritol vs SucraloseMaltodextrin vs HFCSAll Ingredient Comparisons

Store Reports

Walmart Report CardTarget Report CardCostco Report CardKroger Report CardWhole Foods Report CardTrader Joe's Report CardAldi Report CardSam's Club Report Card

Original Research

All Research StudiesGrocery Product Safety StudySeed Oil CensusSafest Grocery StoresSchool Lunch Safety ReportMost Common AdditivesBanned Ingredients in US Products

App Comparisons

CheckIt vs YukaCheckIt vs EWGCheckIt vs FooducateCheckIt vs MyFitnessPalCheckIt vs Think DirtyCheckIt vs FigCheckIt vs SooseeCheckIt vs NoomYuka vs EWGYuka vs Fooducate

Guides & Tools

Download CheckIt AIUser ReviewsFood RecallsBanned in EuropeFood Safety ReportIngredient GlossaryStore RankingsIngredient EncyclopediaHealthier Swap FinderOur MethodologyIngredient ComparisonsTopic GuidesAll Food Safety AnswersOpen DataWhat's Really In Your Food
📋 Cite This Data
APACheckIt AI. (2026). "Red 40 (Allura Red AC) vs Red 3 (Erythrosine) — Which Is Worse? | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/ingredients/red-40-vs-red-3
MLA"Red 40 (Allura Red AC) vs Red 3 (Erythrosine) — Which Is Worse? | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/ingredients/red-40-vs-red-3.
HTML Embed<a href="https://getcheck.it/ingredients/red-40-vs-red-3">Red 40 (Allura Red AC) vs Red 3 (Erythrosine) — Which Is Worse? | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026ingredientsred40vsred3, title = {Red 40 (Allura Red AC) vs Red 3 (Erythrosine) — Which Is Worse? | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/ingredients/red-40-vs-red-3}, note = {Retrieved 2026-03-05} }