Yellow 5 (Tartrazine) vs Aspartame — Which Is Worse?

FactorYellow 5 (Tartrazine)Aspartame
E-NumberE102E951
CategoryArtificial ColorSweetener
SeverityModerate Risk (6/10)Moderate Risk (6/10)
FDA StatusFDA-approved. Since 1979, FDA requires Yellow 5 to be specifically listed on food labels (21 CFR 74.705) due to potentia…FDA-approved since 1981 (dry foods) and 1983 (beverages). Classified as GRAS-equivalent. FDA's ADI is 50 mg/kg body weig…
EFSA StatusEFSA re-evaluated in 2009, maintaining an ADI of 7.5 mg/kg body weight/day. EU requires the same warning label as Red 40…EFSA completed a comprehensive risk assessment in 2013, confirming safety at the ADI of 40 mg/kg body weight/day. In Jul…
Banned In——
Products Found267

Key Differences

Health Concerns Comparison

Yellow 5 (Tartrazine)

Aspartame

Which Products Use Each?

26
products contain Yellow 5 (Tartrazine)
7
products contain Aspartame

⚖️ The Verdict

Both Yellow 5 (Tartrazine) and Aspartame 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 Yellow 5 (Tartrazine) or Aspartame worse?
Both Yellow 5 (Tartrazine) and Aspartame have the same severity score (6/10). Neither is clearly worse based on available data.
What is the difference between Yellow 5 (Tartrazine) and Aspartame?
Yellow 5 (Tartrazine) is a artificial color, while Aspartame is a sweetener. They serve different functions in food products.
Are Yellow 5 (Tartrazine) and Aspartame banned?
Yellow 5 (Tartrazine) is not currently banned in any major market. Aspartame is not currently banned in any major market.
How can I avoid both Yellow 5 (Tartrazine) and Aspartame?
Download CheckIt AI and scan any product's barcode or ingredient label. The app will flag both Yellow 5 (Tartrazine) and Aspartame and suggest safer alternatives.
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Related Pages

Related Comparisons

Red 40 (Allura Red AC) vs Yellow 5 (Tartrazine)Yellow 5 (Tartrazine) vs Yellow 6 (Sunset Yellow FCF)Yellow 5 (Tartrazine) vs Red 3 (Erythrosine)Yellow 5 (Tartrazine) vs Blue 1 (Brilliant Blue FCF)Yellow 5 (Tartrazine) vs Caramel Color (4-MEI)Yellow 5 (Tartrazine) vs Titanium DioxideYellow 5 (Tartrazine) vs AnnattoAspartame vs SucraloseAspartame vs High Fructose Corn SyrupAspartame vs Acesulfame Potassium (Ace-K)Aspartame vs ErythritolAspartame vs Maltodextrin
Yellow 5 (Tartrazine) Deep Dive Aspartame 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.

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Ingredient Safety

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Food Safety Answers

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📋 Cite This Data
APACheckIt AI. (2026). "Yellow 5 (Tartrazine) vs Aspartame — Which Is Worse? | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/ingredients/yellow-5-vs-aspartame
MLA"Yellow 5 (Tartrazine) vs Aspartame — Which Is Worse? | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/ingredients/yellow-5-vs-aspartame.
HTML Embed<a href="https://getcheck.it/ingredients/yellow-5-vs-aspartame">Yellow 5 (Tartrazine) vs Aspartame — Which Is Worse? | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026ingredientsyellow5vsaspartame, title = {Yellow 5 (Tartrazine) vs Aspartame — Which Is Worse? | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/ingredients/yellow-5-vs-aspartame}, note = {Retrieved 2026-03-05} }