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| Factor | Aspartame | Blue 2 (Indigo Carmine) |
|---|---|---|
| E-Number | E951 | E132 |
| Category | Sweetener | Additive |
| Severity | Moderate Risk (6/10) | Moderate Risk (6/10) |
| FDA Status | FDA-approved since 1981 (dry foods) and 1983 (beverages). Classified as GRAS-equivalent. FDA's ADI is 50 mg/kg body weig… | FDA permanently listed FD&C Blue No. 2 in 1983 (21 CFR 74.102). Approved for food, drugs, and cosmetics. The FDA reviewe… |
| EFSA Status | EFSA completed a comprehensive risk assessment in 2013, confirming safety at the ADI of 40 mg/kg body weight/day. In Jul… | EFSA re-evaluated indigo carmine (E 132) in 2014. Established an ADI of 5 mg/kg body weight/day. EFSA noted that dietary… |
| Banned In | — | — |
| Products Found | 300 | 154 |
Both Aspartame and Blue 2 (Indigo Carmine) 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.
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Download CheckIt AI — Scan Free →⚕️ This comparison is for educational purposes only. It is not medical advice. Consult a healthcare professional for personalized dietary guidance.
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CheckIt AI. (2026). "Aspartame vs Blue 2 (Indigo Carmine) — Which Is Worse? | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/ingredients/aspartame-vs-blue-2"Aspartame vs Blue 2 (Indigo Carmine) — Which Is Worse? | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-04-17. https://getcheck.it/ingredients/aspartame-vs-blue-2.<a href="https://getcheck.it/ingredients/aspartame-vs-blue-2">Aspartame vs Blue 2 (Indigo Carmine) — Which Is Worse? | CheckIt AI — CheckIt AI</a>@misc{checkit2026ingredientsaspartamevsblue2,
title = {Aspartame vs Blue 2 (Indigo Carmine) — Which Is Worse? | CheckIt AI},
author = {CheckIt AI},
year = {2026},
publisher = {Climaverse PBC},
url = {https://getcheck.it/ingredients/aspartame-vs-blue-2},
note = {Retrieved 2026-04-17}
}